Finding the Third Proportional to 68,499 and 148,662

Step by Step Solution

1. Step 1: Write the proportion equation
   68,499 : 148,662 = 148,662 : x
2. Step 2: Convert to fraction form
   68,499/148,662 = 148,662/x
3. Step 3: Cross multiply
   68,499x = 148,662 × 148,662
4. Step 4: Simplify right side
   68,499x = 22,100,390,244
5. Step 5: Solve for x
   x = 22,100,390,244/68,499
6. Step 6: Final answer
   x = 322,638.14