Finding the Third Proportional to 31,507.88 and 48,785.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.88 : 48,785.63 = 48,785.63 : x
2. Step 2: Convert to fraction form
   31,507.88/48,785.63 = 48,785.63/x
3. Step 3: Cross multiply
   31,507.88x = 48,785.63 × 48,785.63
4. Step 4: Simplify right side
   31,507.88x = 2,380,037,206.64
5. Step 5: Solve for x
   x = 2,380,037,206.64/31,507.88
6. Step 6: Final answer
   x = 75,537.85