Finding the Third Proportional to 137,500.50 and 218,793

Step by Step Solution

1. Step 1: Write the proportion equation
   137,500.50 : 218,793 = 218,793 : x
2. Step 2: Convert to fraction form
   137,500.50/218,793 = 218,793/x
3. Step 3: Cross multiply
   137,500.50x = 218,793 × 218,793
4. Step 4: Simplify right side
   137,500.50x = 47,870,376,849
5. Step 5: Solve for x
   x = 47,870,376,849/137,500.50
6. Step 6: Final answer
   x = 348,146.93