Finding the Third Proportional to 112,557 and 171,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,557 : 171,694.50 = 171,694.50 : x
2. Step 2: Convert to fraction form
   112,557/171,694.50 = 171,694.50/x
3. Step 3: Cross multiply
   112,557x = 171,694.50 × 171,694.50
4. Step 4: Simplify right side
   112,557x = 29,479,001,330.25
5. Step 5: Solve for x
   x = 29,479,001,330.25/112,557
6. Step 6: Final answer
   x = 261,902.87