Finding the Third Proportional to 30,705,655 and 67,552,371

Step by Step Solution

1. Step 1: Write the proportion equation
   30,705,655 : 67,552,371 = 67,552,371 : x
2. Step 2: Convert to fraction form
   30,705,655/67,552,371 = 67,552,371/x
3. Step 3: Cross multiply
   30,705,655x = 67,552,371 × 67,552,371
4. Step 4: Simplify right side
   30,705,655x = 4,563,322,827,721,641
5. Step 5: Solve for x
   x = 4,563,322,827,721,641/30,705,655
6. Step 6: Final answer
   x = 148,615,062.20