Finding the Third Proportional to 60,530 and 90,340

Step by Step Solution

1. Step 1: Write the proportion equation
   60,530 : 90,340 = 90,340 : x
2. Step 2: Convert to fraction form
   60,530/90,340 = 90,340/x
3. Step 3: Cross multiply
   60,530x = 90,340 × 90,340
4. Step 4: Simplify right side
   60,530x = 8,161,315,600
5. Step 5: Solve for x
   x = 8,161,315,600/60,530
6. Step 6: Final answer
   x = 134,830.92