Finding the Third Proportional to 113,487 and 171,810

Step by Step Solution

1. Step 1: Write the proportion equation
   113,487 : 171,810 = 171,810 : x
2. Step 2: Convert to fraction form
   113,487/171,810 = 171,810/x
3. Step 3: Cross multiply
   113,487x = 171,810 × 171,810
4. Step 4: Simplify right side
   113,487x = 29,518,676,100
5. Step 5: Solve for x
   x = 29,518,676,100/113,487
6. Step 6: Final answer
   x = 260,106.23