Finding the Third Proportional to 39,146 and 60,640

Step by Step Solution

1. Step 1: Write the proportion equation
   39,146 : 60,640 = 60,640 : x
2. Step 2: Convert to fraction form
   39,146/60,640 = 60,640/x
3. Step 3: Cross multiply
   39,146x = 60,640 × 60,640
4. Step 4: Simplify right side
   39,146x = 3,677,209,600
5. Step 5: Solve for x
   x = 3,677,209,600/39,146
6. Step 6: Final answer
   x = 93,935.77