Finding the Third Proportional to 100,779 and 148,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,779 : 148,861.50 = 148,861.50 : x
2. Step 2: Convert to fraction form
   100,779/148,861.50 = 148,861.50/x
3. Step 3: Cross multiply
   100,779x = 148,861.50 × 148,861.50
4. Step 4: Simplify right side
   100,779x = 22,159,746,182.25
5. Step 5: Solve for x
   x = 22,159,746,182.25/100,779
6. Step 6: Final answer
   x = 219,884.56