Finding the Third Proportional to 100,440 and 147,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,440 : 147,379.50 = 147,379.50 : x
2. Step 2: Convert to fraction form
   100,440/147,379.50 = 147,379.50/x
3. Step 3: Cross multiply
   100,440x = 147,379.50 × 147,379.50
4. Step 4: Simplify right side
   100,440x = 21,720,717,020.25
5. Step 5: Solve for x
   x = 21,720,717,020.25/100,440
6. Step 6: Final answer
   x = 216,255.65