Finding the Third Proportional to 781,320 and 1,658,562

Step by Step Solution

1. Step 1: Write the proportion equation
   781,320 : 1,658,562 = 1,658,562 : x
2. Step 2: Convert to fraction form
   781,320/1,658,562 = 1,658,562/x
3. Step 3: Cross multiply
   781,320x = 1,658,562 × 1,658,562
4. Step 4: Simplify right side
   781,320x = 2,750,827,907,844
5. Step 5: Solve for x
   x = 2,750,827,907,844/781,320
6. Step 6: Final answer
   x = 3,520,744.26