Finding the Third Proportional to 131,468.06 and 287,813.25

Step by Step Solution

1. Step 1: Write the proportion equation
   131,468.06 : 287,813.25 = 287,813.25 : x
2. Step 2: Convert to fraction form
   131,468.06/287,813.25 = 287,813.25/x
3. Step 3: Cross multiply
   131,468.06x = 287,813.25 × 287,813.25
4. Step 4: Simplify right side
   131,468.06x = 82,836,466,875.56
5. Step 5: Solve for x
   x = 82,836,466,875.56/131,468.06
6. Step 6: Final answer
   x = 630,088.14