Finding the Third Proportional to 112,701 and 263,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,701 : 263,401.50 = 263,401.50 : x
2. Step 2: Convert to fraction form
   112,701/263,401.50 = 263,401.50/x
3. Step 3: Cross multiply
   112,701x = 263,401.50 × 263,401.50
4. Step 4: Simplify right side
   112,701x = 69,380,350,202.25
5. Step 5: Solve for x
   x = 69,380,350,202.25/112,701
6. Step 6: Final answer
   x = 615,614.33