Finding the Third Proportional to 53,480 and 61,256

Step by Step Solution

1. Step 1: Write the proportion equation
   53,480 : 61,256 = 61,256 : x
2. Step 2: Convert to fraction form
   53,480/61,256 = 61,256/x
3. Step 3: Cross multiply
   53,480x = 61,256 × 61,256
4. Step 4: Simplify right side
   53,480x = 3,752,297,536
5. Step 5: Solve for x
   x = 3,752,297,536/53,480
6. Step 6: Final answer
   x = 70,162.63