Finding the Third Proportional to 88,864.50 and 197,412

Step by Step Solution

1. Step 1: Write the proportion equation
   88,864.50 : 197,412 = 197,412 : x
2. Step 2: Convert to fraction form
   88,864.50/197,412 = 197,412/x
3. Step 3: Cross multiply
   88,864.50x = 197,412 × 197,412
4. Step 4: Simplify right side
   88,864.50x = 38,971,497,744
5. Step 5: Solve for x
   x = 38,971,497,744/88,864.50
6. Step 6: Final answer
   x = 438,549.68