Finding the Third Proportional to 149,650 and 220,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,650 : 220,098.50 = 220,098.50 : x
2. Step 2: Convert to fraction form
   149,650/220,098.50 = 220,098.50/x
3. Step 3: Cross multiply
   149,650x = 220,098.50 × 220,098.50
4. Step 4: Simplify right side
   149,650x = 48,443,349,702.25
5. Step 5: Solve for x
   x = 48,443,349,702.25/149,650
6. Step 6: Final answer
   x = 323,710.99