Finding the Third Proportional to 91,191.13 and 145,679.77

Step by Step Solution

1. Step 1: Write the proportion equation
   91,191.13 : 145,679.77 = 145,679.77 : x
2. Step 2: Convert to fraction form
   91,191.13/145,679.77 = 145,679.77/x
3. Step 3: Cross multiply
   91,191.13x = 145,679.77 × 145,679.77
4. Step 4: Simplify right side
   91,191.13x = 21,222,594,112.55
5. Step 5: Solve for x
   x = 21,222,594,112.55/91,191.13
6. Step 6: Final answer
   x = 232,726.52