Finding the Third Proportional to 42,787.46 and 89,995.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,787.46 : 89,995.90 = 89,995.90 : x
2. Step 2: Convert to fraction form
   42,787.46/89,995.90 = 89,995.90/x
3. Step 3: Cross multiply
   42,787.46x = 89,995.90 × 89,995.90
4. Step 4: Simplify right side
   42,787.46x = 8,099,262,790.21
5. Step 5: Solve for x
   x = 8,099,262,790.21/42,787.46
6. Step 6: Final answer
   x = 189,290.58