Finding the Third Proportional to 69,153.75 and 103,345.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,153.75 : 103,345.31 = 103,345.31 : x
2. Step 2: Convert to fraction form
   69,153.75/103,345.31 = 103,345.31/x
3. Step 3: Cross multiply
   69,153.75x = 103,345.31 × 103,345.31
4. Step 4: Simplify right side
   69,153.75x = 10,680,253,615.72
5. Step 5: Solve for x
   x = 10,680,253,615.72/69,153.75
6. Step 6: Final answer
   x = 154,442.15