Finding the Third Proportional to 91,788.75 and 141,834.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,788.75 : 141,834.38 = 141,834.38 : x
2. Step 2: Convert to fraction form
   91,788.75/141,834.38 = 141,834.38/x
3. Step 3: Cross multiply
   91,788.75x = 141,834.38 × 141,834.38
4. Step 4: Simplify right side
   91,788.75x = 20,116,989,931.64
5. Step 5: Solve for x
   x = 20,116,989,931.64/91,788.75
6. Step 6: Final answer
   x = 219,166.18