Finding the Third Proportional to 3,899,922 and 8,696,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,922 : 8,696,064 = 8,696,064 : x
2. Step 2: Convert to fraction form
   3,899,922/8,696,064 = 8,696,064/x
3. Step 3: Cross multiply
   3,899,922x = 8,696,064 × 8,696,064
4. Step 4: Simplify right side
   3,899,922x = 75,621,529,092,096
5. Step 5: Solve for x
   x = 75,621,529,092,096/3,899,922
6. Step 6: Final answer
   x = 19,390,523.48