Finding the Third Proportional to 112,958 and 243,412

Step by Step Solution

1. Step 1: Write the proportion equation
   112,958 : 243,412 = 243,412 : x
2. Step 2: Convert to fraction form
   112,958/243,412 = 243,412/x
3. Step 3: Cross multiply
   112,958x = 243,412 × 243,412
4. Step 4: Simplify right side
   112,958x = 59,249,401,744
5. Step 5: Solve for x
   x = 59,249,401,744/112,958
6. Step 6: Final answer
   x = 524,525.95