Finding the Third Proportional to 677,745 and 1,411,672

Step by Step Solution

1. Step 1: Write the proportion equation
   677,745 : 1,411,672 = 1,411,672 : x
2. Step 2: Convert to fraction form
   677,745/1,411,672 = 1,411,672/x
3. Step 3: Cross multiply
   677,745x = 1,411,672 × 1,411,672
4. Step 4: Simplify right side
   677,745x = 1,992,817,835,584
5. Step 5: Solve for x
   x = 1,992,817,835,584/677,745
6. Step 6: Final answer
   x = 2,940,365.23