Finding the Third Proportional to 61,020 and 89,550

Step by Step Solution

1. Step 1: Write the proportion equation
   61,020 : 89,550 = 89,550 : x
2. Step 2: Convert to fraction form
   61,020/89,550 = 89,550/x
3. Step 3: Cross multiply
   61,020x = 89,550 × 89,550
4. Step 4: Simplify right side
   61,020x = 8,019,202,500
5. Step 5: Solve for x
   x = 8,019,202,500/61,020
6. Step 6: Final answer
   x = 131,419.25