Finding the Third Proportional to 3,489,739,084,766 and 7,636,871,529,188

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,739,084,766 : 7,636,871,529,188 = 7,636,871,529,188 : x
2. Step 2: Convert to fraction form
   3,489,739,084,766/7,636,871,529,188 = 7,636,871,529,188/x
3. Step 3: Cross multiply
   3,489,739,084,766x = 7,636,871,529,188 × 7,636,871,529,188
4. Step 4: Simplify right side
   3,489,739,084,766x = 58,321,806,753,322,258,621,530,112
5. Step 5: Solve for x
   x = 58,321,806,753,322,258,621,530,112/3,489,739,084,766
6. Step 6: Final answer
   x = 16,712,368,843,825.17