Finding the Third Proportional to 31,129.31 and 48,334.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,129.31 : 48,334.22 = 48,334.22 : x
2. Step 2: Convert to fraction form
   31,129.31/48,334.22 = 48,334.22/x
3. Step 3: Cross multiply
   31,129.31x = 48,334.22 × 48,334.22
4. Step 4: Simplify right side
   31,129.31x = 2,336,196,702.17
5. Step 5: Solve for x
   x = 2,336,196,702.17/31,129.31
6. Step 6: Final answer
   x = 75,048.13