Finding the Third Proportional to 76,561,008 and 168,002,361

Step by Step Solution

1. Step 1: Write the proportion equation
   76,561,008 : 168,002,361 = 168,002,361 : x
2. Step 2: Convert to fraction form
   76,561,008/168,002,361 = 168,002,361/x
3. Step 3: Cross multiply
   76,561,008x = 168,002,361 × 168,002,361
4. Step 4: Simplify right side
   76,561,008x = 28,224,793,301,574,320
5. Step 5: Solve for x
   x = 28,224,793,301,574,320/76,561,008
6. Step 6: Final answer
   x = 368,657,545.65