Finding the Third Proportional to 580,820 and 1,250,638

Step by Step Solution

1. Step 1: Write the proportion equation
   580,820 : 1,250,638 = 1,250,638 : x
2. Step 2: Convert to fraction form
   580,820/1,250,638 = 1,250,638/x
3. Step 3: Cross multiply
   580,820x = 1,250,638 × 1,250,638
4. Step 4: Simplify right side
   580,820x = 1,564,095,407,044
5. Step 5: Solve for x
   x = 1,564,095,407,044/580,820
6. Step 6: Final answer
   x = 2,692,909.00