Finding the Third Proportional to 76,561,156 and 168,002,620

Step by Step Solution

1. Step 1: Write the proportion equation
   76,561,156 : 168,002,620 = 168,002,620 : x
2. Step 2: Convert to fraction form
   76,561,156/168,002,620 = 168,002,620/x
3. Step 3: Cross multiply
   76,561,156x = 168,002,620 × 168,002,620
4. Step 4: Simplify right side
   76,561,156x = 28,224,880,326,864,400
5. Step 5: Solve for x
   x = 28,224,880,326,864,400/76,561,156
6. Step 6: Final answer
   x = 368,657,969.67