Finding the Third Proportional to 117,522 and 171,360

Step by Step Solution

1. Step 1: Write the proportion equation
   117,522 : 171,360 = 171,360 : x
2. Step 2: Convert to fraction form
   117,522/171,360 = 171,360/x
3. Step 3: Cross multiply
   117,522x = 171,360 × 171,360
4. Step 4: Simplify right side
   117,522x = 29,364,249,600
5. Step 5: Solve for x
   x = 29,364,249,600/117,522
6. Step 6: Final answer
   x = 249,861.72