Finding the Third Proportional to 630,740 and 1,401,448

Step by Step Solution

1. Step 1: Write the proportion equation
   630,740 : 1,401,448 = 1,401,448 : x
2. Step 2: Convert to fraction form
   630,740/1,401,448 = 1,401,448/x
3. Step 3: Cross multiply
   630,740x = 1,401,448 × 1,401,448
4. Step 4: Simplify right side
   630,740x = 1,964,056,496,704
5. Step 5: Solve for x
   x = 1,964,056,496,704/630,740
6. Step 6: Final answer
   x = 3,113,892.41