Finding the Third Proportional to 90,534 and 118,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,534 : 118,291.50 = 118,291.50 : x
2. Step 2: Convert to fraction form
   90,534/118,291.50 = 118,291.50/x
3. Step 3: Cross multiply
   90,534x = 118,291.50 × 118,291.50
4. Step 4: Simplify right side
   90,534x = 13,992,878,972.25
5. Step 5: Solve for x
   x = 13,992,878,972.25/90,534
6. Step 6: Final answer
   x = 154,559.38