Finding the Third Proportional to 623,676 and 1,347,132

Step by Step Solution

1. Step 1: Write the proportion equation
   623,676 : 1,347,132 = 1,347,132 : x
2. Step 2: Convert to fraction form
   623,676/1,347,132 = 1,347,132/x
3. Step 3: Cross multiply
   623,676x = 1,347,132 × 1,347,132
4. Step 4: Simplify right side
   623,676x = 1,814,764,625,424
5. Step 5: Solve for x
   x = 1,814,764,625,424/623,676
6. Step 6: Final answer
   x = 2,909,787.49