Finding the Third Proportional to 90,456.75 and 118,963.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,456.75 : 118,963.69 = 118,963.69 : x
2. Step 2: Convert to fraction form
   90,456.75/118,963.69 = 118,963.69/x
3. Step 3: Cross multiply
   90,456.75x = 118,963.69 × 118,963.69
4. Step 4: Simplify right side
   90,456.75x = 14,152,358,943.60
5. Step 5: Solve for x
   x = 14,152,358,943.60/90,456.75
6. Step 6: Final answer
   x = 156,454.43