Finding the Third Proportional to 88,665 and 197,010

Step by Step Solution

1. Step 1: Write the proportion equation
   88,665 : 197,010 = 197,010 : x
2. Step 2: Convert to fraction form
   88,665/197,010 = 197,010/x
3. Step 3: Cross multiply
   88,665x = 197,010 × 197,010
4. Step 4: Simplify right side
   88,665x = 38,812,940,100
5. Step 5: Solve for x
   x = 38,812,940,100/88,665
6. Step 6: Final answer
   x = 437,748.15