Finding the Third Proportional to 112,830.38 and 243,293.63

Step by Step Solution

1. Step 1: Write the proportion equation
   112,830.38 : 243,293.63 = 243,293.63 : x
2. Step 2: Convert to fraction form
   112,830.38/243,293.63 = 243,293.63/x
3. Step 3: Cross multiply
   112,830.38x = 243,293.63 × 243,293.63
4. Step 4: Simplify right side
   112,830.38x = 59,191,787,965.64
5. Step 5: Solve for x
   x = 59,191,787,965.64/112,830.38
6. Step 6: Final answer
   x = 524,608.63