Finding the Third Proportional to 671,507 and 1,442,404

Step by Step Solution

1. Step 1: Write the proportion equation
   671,507 : 1,442,404 = 1,442,404 : x
2. Step 2: Convert to fraction form
   671,507/1,442,404 = 1,442,404/x
3. Step 3: Cross multiply
   671,507x = 1,442,404 × 1,442,404
4. Step 4: Simplify right side
   671,507x = 2,080,529,299,216
5. Step 5: Solve for x
   x = 2,080,529,299,216/671,507
6. Step 6: Final answer
   x = 3,098,298.75