Finding the Third Proportional to 79,666,374 and 171,439,662

Step by Step Solution

1. Step 1: Write the proportion equation
   79,666,374 : 171,439,662 = 171,439,662 : x
2. Step 2: Convert to fraction form
   79,666,374/171,439,662 = 171,439,662/x
3. Step 3: Cross multiply
   79,666,374x = 171,439,662 × 171,439,662
4. Step 4: Simplify right side
   79,666,374x = 29,391,557,706,674,244
5. Step 5: Solve for x
   x = 29,391,557,706,674,244/79,666,374
6. Step 6: Final answer
   x = 368,933,042.02