Finding the Third Proportional to 130,516 and 285,002

Step by Step Solution

1. Step 1: Write the proportion equation
   130,516 : 285,002 = 285,002 : x
2. Step 2: Convert to fraction form
   130,516/285,002 = 285,002/x
3. Step 3: Cross multiply
   130,516x = 285,002 × 285,002
4. Step 4: Simplify right side
   130,516x = 81,226,140,004
5. Step 5: Solve for x
   x = 81,226,140,004/130,516
6. Step 6: Final answer
   x = 622,346.23