Finding the Third Proportional to 133,841 and 287,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,841 : 287,148.50 = 287,148.50 : x
2. Step 2: Convert to fraction form
   133,841/287,148.50 = 287,148.50/x
3. Step 3: Cross multiply
   133,841x = 287,148.50 × 287,148.50
4. Step 4: Simplify right side
   133,841x = 82,454,261,052.25
5. Step 5: Solve for x
   x = 82,454,261,052.25/133,841
6. Step 6: Final answer
   x = 616,061.30