Finding the Third Proportional to 31,443 and 48,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443 : 48,259.50 = 48,259.50 : x
2. Step 2: Convert to fraction form
   31,443/48,259.50 = 48,259.50/x
3. Step 3: Cross multiply
   31,443x = 48,259.50 × 48,259.50
4. Step 4: Simplify right side
   31,443x = 2,328,979,340.25
5. Step 5: Solve for x
   x = 2,328,979,340.25/31,443
6. Step 6: Final answer
   x = 74,069.88