Finding the Third Proportional to 42,150.90 and 88,198.66

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.90 : 88,198.66 = 88,198.66 : x
2. Step 2: Convert to fraction form
   42,150.90/88,198.66 = 88,198.66/x
3. Step 3: Cross multiply
   42,150.90x = 88,198.66 × 88,198.66
4. Step 4: Simplify right side
   42,150.90x = 7,779,004,342.41
5. Step 5: Solve for x
   x = 7,779,004,342.41/42,150.90
6. Step 6: Final answer
   x = 184,551.31