Finding the Third Proportional to 69,847.31 and 110,648.53

Step by Step Solution

1. Step 1: Write the proportion equation
   69,847.31 : 110,648.53 = 110,648.53 : x
2. Step 2: Convert to fraction form
   69,847.31/110,648.53 = 110,648.53/x
3. Step 3: Cross multiply
   69,847.31x = 110,648.53 × 110,648.53
4. Step 4: Simplify right side
   69,847.31x = 12,243,097,467.78
5. Step 5: Solve for x
   x = 12,243,097,467.78/69,847.31
6. Step 6: Final answer
   x = 175,283.73