Finding the Third Proportional to 31,990.50 and 48,426.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,990.50 : 48,426.19 = 48,426.19 : x
2. Step 2: Convert to fraction form
   31,990.50/48,426.19 = 48,426.19/x
3. Step 3: Cross multiply
   31,990.50x = 48,426.19 × 48,426.19
4. Step 4: Simplify right side
   31,990.50x = 2,345,095,635.79
5. Step 5: Solve for x
   x = 2,345,095,635.79/31,990.50
6. Step 6: Final answer
   x = 73,306.00