Finding the Third Proportional to 65,658 and 99,270

Step by Step Solution

1. Step 1: Write the proportion equation
   65,658 : 99,270 = 99,270 : x
2. Step 2: Convert to fraction form
   65,658/99,270 = 99,270/x
3. Step 3: Cross multiply
   65,658x = 99,270 × 99,270
4. Step 4: Simplify right side
   65,658x = 9,854,532,900
5. Step 5: Solve for x
   x = 9,854,532,900/65,658
6. Step 6: Final answer
   x = 150,088.84