Finding the Third Proportional to 60,781 and 91,983

Step by Step Solution

1. Step 1: Write the proportion equation
   60,781 : 91,983 = 91,983 : x
2. Step 2: Convert to fraction form
   60,781/91,983 = 91,983/x
3. Step 3: Cross multiply
   60,781x = 91,983 × 91,983
4. Step 4: Simplify right side
   60,781x = 8,460,872,289
5. Step 5: Solve for x
   x = 8,460,872,289/60,781
6. Step 6: Final answer
   x = 139,202.58