Finding the Third Proportional to 131,004 and 280,685.25

Step by Step Solution

1. Step 1: Write the proportion equation
   131,004 : 280,685.25 = 280,685.25 : x
2. Step 2: Convert to fraction form
   131,004/280,685.25 = 280,685.25/x
3. Step 3: Cross multiply
   131,004x = 280,685.25 × 280,685.25
4. Step 4: Simplify right side
   131,004x = 78,784,209,567.56
5. Step 5: Solve for x
   x = 78,784,209,567.56/131,004
6. Step 6: Final answer
   x = 601,387.82