Finding the Third Proportional to 112,122 and 173,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,122 : 173,140.50 = 173,140.50 : x
2. Step 2: Convert to fraction form
   112,122/173,140.50 = 173,140.50/x
3. Step 3: Cross multiply
   112,122x = 173,140.50 × 173,140.50
4. Step 4: Simplify right side
   112,122x = 29,977,632,740.25
5. Step 5: Solve for x
   x = 29,977,632,740.25/112,122
6. Step 6: Final answer
   x = 267,366.20