Finding the Third Proportional to 91,117.50 and 191,448

Step by Step Solution

1. Step 1: Write the proportion equation
   91,117.50 : 191,448 = 191,448 : x
2. Step 2: Convert to fraction form
   91,117.50/191,448 = 191,448/x
3. Step 3: Cross multiply
   91,117.50x = 191,448 × 191,448
4. Step 4: Simplify right side
   91,117.50x = 36,652,336,704
5. Step 5: Solve for x
   x = 36,652,336,704/91,117.50
6. Step 6: Final answer
   x = 402,253.54