Finding the Third Proportional to 60,365 and 90,142

Step by Step Solution

1. Step 1: Write the proportion equation
   60,365 : 90,142 = 90,142 : x
2. Step 2: Convert to fraction form
   60,365/90,142 = 90,142/x
3. Step 3: Cross multiply
   60,365x = 90,142 × 90,142
4. Step 4: Simplify right side
   60,365x = 8,125,580,164
5. Step 5: Solve for x
   x = 8,125,580,164/60,365
6. Step 6: Final answer
   x = 134,607.47