Finding the Third Proportional to 91,742.63 and 141,788.81

Step by Step Solution

1. Step 1: Write the proportion equation
   91,742.63 : 141,788.81 = 141,788.81 : x
2. Step 2: Convert to fraction form
   91,742.63/141,788.81 = 141,788.81/x
3. Step 3: Cross multiply
   91,742.63x = 141,788.81 × 141,788.81
4. Step 4: Simplify right side
   91,742.63x = 20,104,067,350.16
5. Step 5: Solve for x
   x = 20,104,067,350.16/91,742.63
6. Step 6: Final answer
   x = 219,135.51