Finding the Third Proportional to 31,108.50 and 49,038.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,108.50 : 49,038.75 = 49,038.75 : x
2. Step 2: Convert to fraction form
   31,108.50/49,038.75 = 49,038.75/x
3. Step 3: Cross multiply
   31,108.50x = 49,038.75 × 49,038.75
4. Step 4: Simplify right side
   31,108.50x = 2,404,799,001.56
5. Step 5: Solve for x
   x = 2,404,799,001.56/31,108.50
6. Step 6: Final answer
   x = 77,303.60