Finding the Third Proportional to 103,739 and 160,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,739 : 160,212.50 = 160,212.50 : x
2. Step 2: Convert to fraction form
   103,739/160,212.50 = 160,212.50/x
3. Step 3: Cross multiply
   103,739x = 160,212.50 × 160,212.50
4. Step 4: Simplify right side
   103,739x = 25,668,045,156.25
5. Step 5: Solve for x
   x = 25,668,045,156.25/103,739
6. Step 6: Final answer
   x = 247,429.08