Finding the Third Proportional to 31,992.50 and 48,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,992.50 : 48,428.75 = 48,428.75 : x
2. Step 2: Convert to fraction form
   31,992.50/48,428.75 = 48,428.75/x
3. Step 3: Cross multiply
   31,992.50x = 48,428.75 × 48,428.75
4. Step 4: Simplify right side
   31,992.50x = 2,345,343,826.56
5. Step 5: Solve for x
   x = 2,345,343,826.56/31,992.50
6. Step 6: Final answer
   x = 73,309.18