Finding the Third Proportional to 112,464 and 243,288

Step by Step Solution

1. Step 1: Write the proportion equation
   112,464 : 243,288 = 243,288 : x
2. Step 2: Convert to fraction form
   112,464/243,288 = 243,288/x
3. Step 3: Cross multiply
   112,464x = 243,288 × 243,288
4. Step 4: Simplify right side
   112,464x = 59,189,050,944
5. Step 5: Solve for x
   x = 59,189,050,944/112,464
6. Step 6: Final answer
   x = 526,293.31