Finding the Third Proportional to 60,898 and 91,040

Step by Step Solution

1. Step 1: Write the proportion equation
   60,898 : 91,040 = 91,040 : x
2. Step 2: Convert to fraction form
   60,898/91,040 = 91,040/x
3. Step 3: Cross multiply
   60,898x = 91,040 × 91,040
4. Step 4: Simplify right side
   60,898x = 8,288,281,600
5. Step 5: Solve for x
   x = 8,288,281,600/60,898
6. Step 6: Final answer
   x = 136,101.05