Finding the Third Proportional to 90,823.50 and 117,918

Step by Step Solution

1. Step 1: Write the proportion equation
   90,823.50 : 117,918 = 117,918 : x
2. Step 2: Convert to fraction form
   90,823.50/117,918 = 117,918/x
3. Step 3: Cross multiply
   90,823.50x = 117,918 × 117,918
4. Step 4: Simplify right side
   90,823.50x = 13,904,654,724
5. Step 5: Solve for x
   x = 13,904,654,724/90,823.50
6. Step 6: Final answer
   x = 153,095.34