Finding the Third Proportional to 15,155 and 31,061

Step by Step Solution

1. Step 1: Write the proportion equation
   15,155 : 31,061 = 31,061 : x
2. Step 2: Convert to fraction form
   15,155/31,061 = 31,061/x
3. Step 3: Cross multiply
   15,155x = 31,061 × 31,061
4. Step 4: Simplify right side
   15,155x = 964,785,721
5. Step 5: Solve for x
   x = 964,785,721/15,155
6. Step 6: Final answer
   x = 63,661.22