Finding the Third Proportional to 65,554 and 99,540

Step by Step Solution

1. Step 1: Write the proportion equation
   65,554 : 99,540 = 99,540 : x
2. Step 2: Convert to fraction form
   65,554/99,540 = 99,540/x
3. Step 3: Cross multiply
   65,554x = 99,540 × 99,540
4. Step 4: Simplify right side
   65,554x = 9,908,211,600
5. Step 5: Solve for x
   x = 9,908,211,600/65,554
6. Step 6: Final answer
   x = 151,145.80