Finding the Third Proportional to 60,107 and 139,145

Step by Step Solution

1. Step 1: Write the proportion equation
   60,107 : 139,145 = 139,145 : x
2. Step 2: Convert to fraction form
   60,107/139,145 = 139,145/x
3. Step 3: Cross multiply
   60,107x = 139,145 × 139,145
4. Step 4: Simplify right side
   60,107x = 19,361,331,025
5. Step 5: Solve for x
   x = 19,361,331,025/60,107
6. Step 6: Final answer
   x = 322,114.41