Finding the Third Proportional to 112,289.63 and 243,271.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,289.63 : 243,271.69 = 243,271.69 : x
2. Step 2: Convert to fraction form
   112,289.63/243,271.69 = 243,271.69/x
3. Step 3: Cross multiply
   112,289.63x = 243,271.69 × 243,271.69
4. Step 4: Simplify right side
   112,289.63x = 59,181,113,939.10
5. Step 5: Solve for x
   x = 59,181,113,939.10/112,289.63
6. Step 6: Final answer
   x = 527,039.91