Finding the Third Proportional to 39,640 and 61,892

Step by Step Solution

1. Step 1: Write the proportion equation
   39,640 : 61,892 = 61,892 : x
2. Step 2: Convert to fraction form
   39,640/61,892 = 61,892/x
3. Step 3: Cross multiply
   39,640x = 61,892 × 61,892
4. Step 4: Simplify right side
   39,640x = 3,830,619,664
5. Step 5: Solve for x
   x = 3,830,619,664/39,640
6. Step 6: Final answer
   x = 96,635.21