Finding the Third Proportional to 76,572,042 and 168,022,002

Step by Step Solution

1. Step 1: Write the proportion equation
   76,572,042 : 168,022,002 = 168,022,002 : x
2. Step 2: Convert to fraction form
   76,572,042/168,022,002 = 168,022,002/x
3. Step 3: Cross multiply
   76,572,042x = 168,022,002 × 168,022,002
4. Step 4: Simplify right side
   76,572,042x = 28,231,393,156,088,004
5. Step 5: Solve for x
   x = 28,231,393,156,088,004/76,572,042
6. Step 6: Final answer
   x = 368,690,613.68