Finding the Third Proportional to 137,731.50 and 282,861

Step by Step Solution

1. Step 1: Write the proportion equation
   137,731.50 : 282,861 = 282,861 : x
2. Step 2: Convert to fraction form
   137,731.50/282,861 = 282,861/x
3. Step 3: Cross multiply
   137,731.50x = 282,861 × 282,861
4. Step 4: Simplify right side
   137,731.50x = 80,010,345,321
5. Step 5: Solve for x
   x = 80,010,345,321/137,731.50
6. Step 6: Final answer
   x = 580,915.37