Finding the Third Proportional to 88,867.50 and 197,418

Step by Step Solution

1. Step 1: Write the proportion equation
   88,867.50 : 197,418 = 197,418 : x
2. Step 2: Convert to fraction form
   88,867.50/197,418 = 197,418/x
3. Step 3: Cross multiply
   88,867.50x = 197,418 × 197,418
4. Step 4: Simplify right side
   88,867.50x = 38,973,866,724
5. Step 5: Solve for x
   x = 38,973,866,724/88,867.50
6. Step 6: Final answer
   x = 438,561.53