Finding the Third Proportional to 129,700.13 and 284,004

Step by Step Solution

1. Step 1: Write the proportion equation
   129,700.13 : 284,004 = 284,004 : x
2. Step 2: Convert to fraction form
   129,700.13/284,004 = 284,004/x
3. Step 3: Cross multiply
   129,700.13x = 284,004 × 284,004
4. Step 4: Simplify right side
   129,700.13x = 80,658,272,016
5. Step 5: Solve for x
   x = 80,658,272,016/129,700.13
6. Step 6: Final answer
   x = 621,882.76