Finding the Third Proportional to 31,915 and 48,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915 : 48,736.50 = 48,736.50 : x
2. Step 2: Convert to fraction form
   31,915/48,736.50 = 48,736.50/x
3. Step 3: Cross multiply
   31,915x = 48,736.50 × 48,736.50
4. Step 4: Simplify right side
   31,915x = 2,375,246,432.25
5. Step 5: Solve for x
   x = 2,375,246,432.25/31,915
6. Step 6: Final answer
   x = 74,424.14