Finding the Third Proportional to 112,743 and 262,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,743 : 262,165.50 = 262,165.50 : x
2. Step 2: Convert to fraction form
   112,743/262,165.50 = 262,165.50/x
3. Step 3: Cross multiply
   112,743x = 262,165.50 × 262,165.50
4. Step 4: Simplify right side
   112,743x = 68,730,749,390.25
5. Step 5: Solve for x
   x = 68,730,749,390.25/112,743
6. Step 6: Final answer
   x = 609,623.21