Finding the Third Proportional to 42,180.25 and 91,741.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,180.25 : 91,741.75 = 91,741.75 : x
2. Step 2: Convert to fraction form
   42,180.25/91,741.75 = 91,741.75/x
3. Step 3: Cross multiply
   42,180.25x = 91,741.75 × 91,741.75
4. Step 4: Simplify right side
   42,180.25x = 8,416,548,693.06
5. Step 5: Solve for x
   x = 8,416,548,693.06/42,180.25
6. Step 6: Final answer
   x = 199,537.67