Finding the Third Proportional to 28,818.28 and 59,071.78

Step by Step Solution

1. Step 1: Write the proportion equation
   28,818.28 : 59,071.78 = 59,071.78 : x
2. Step 2: Convert to fraction form
   28,818.28/59,071.78 = 59,071.78/x
3. Step 3: Cross multiply
   28,818.28x = 59,071.78 × 59,071.78
4. Step 4: Simplify right side
   28,818.28x = 3,489,475,340.05
5. Step 5: Solve for x
   x = 3,489,475,340.05/28,818.28
6. Step 6: Final answer
   x = 121,085.48