Finding the Third Proportional to 42,957.19 and 89,826.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,957.19 : 89,826.38 = 89,826.38 : x
2. Step 2: Convert to fraction form
   42,957.19/89,826.38 = 89,826.38/x
3. Step 3: Cross multiply
   42,957.19x = 89,826.38 × 89,826.38
4. Step 4: Simplify right side
   42,957.19x = 8,068,777,645.64
5. Step 5: Solve for x
   x = 8,068,777,645.64/42,957.19
6. Step 6: Final answer
   x = 187,833.01