Finding the Third Proportional to 69,117 and 103,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,117 : 103,939.50 = 103,939.50 : x
2. Step 2: Convert to fraction form
   69,117/103,939.50 = 103,939.50/x
3. Step 3: Cross multiply
   69,117x = 103,939.50 × 103,939.50
4. Step 4: Simplify right side
   69,117x = 10,803,419,660.25
5. Step 5: Solve for x
   x = 10,803,419,660.25/69,117
6. Step 6: Final answer
   x = 156,306.26