Finding the Third Proportional to 28,892 and 43,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,892 : 43,221.50 = 43,221.50 : x
2. Step 2: Convert to fraction form
   28,892/43,221.50 = 43,221.50/x
3. Step 3: Cross multiply
   28,892x = 43,221.50 × 43,221.50
4. Step 4: Simplify right side
   28,892x = 1,868,098,062.25
5. Step 5: Solve for x
   x = 1,868,098,062.25/28,892
6. Step 6: Final answer
   x = 64,657.97