Finding the Third Proportional to 100,570 and 149,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,570 : 149,113.50 = 149,113.50 : x
2. Step 2: Convert to fraction form
   100,570/149,113.50 = 149,113.50/x
3. Step 3: Cross multiply
   100,570x = 149,113.50 × 149,113.50
4. Step 4: Simplify right side
   100,570x = 22,234,835,882.25
5. Step 5: Solve for x
   x = 22,234,835,882.25/100,570
6. Step 6: Final answer
   x = 221,088.16