Finding the Third Proportional to 131,841 and 287,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,841 : 287,725.50 = 287,725.50 : x
2. Step 2: Convert to fraction form
   131,841/287,725.50 = 287,725.50/x
3. Step 3: Cross multiply
   131,841x = 287,725.50 × 287,725.50
4. Step 4: Simplify right side
   131,841x = 82,785,963,350.25
5. Step 5: Solve for x
   x = 82,785,963,350.25/131,841
6. Step 6: Final answer
   x = 627,922.75