Finding the Third Proportional to 89,158,998 and 123,197,481

Step by Step Solution

1. Step 1: Write the proportion equation
   89,158,998 : 123,197,481 = 123,197,481 : x
2. Step 2: Convert to fraction form
   89,158,998/123,197,481 = 123,197,481/x
3. Step 3: Cross multiply
   89,158,998x = 123,197,481 × 123,197,481
4. Step 4: Simplify right side
   89,158,998x = 15,177,619,324,745,360
5. Step 5: Solve for x
   x = 15,177,619,324,745,360/89,158,998
6. Step 6: Final answer
   x = 170,230,931.99