Finding the Third Proportional to 779,908 and 1,700,840

Step by Step Solution

1. Step 1: Write the proportion equation
   779,908 : 1,700,840 = 1,700,840 : x
2. Step 2: Convert to fraction form
   779,908/1,700,840 = 1,700,840/x
3. Step 3: Cross multiply
   779,908x = 1,700,840 × 1,700,840
4. Step 4: Simplify right side
   779,908x = 2,892,856,705,600
5. Step 5: Solve for x
   x = 2,892,856,705,600/779,908
6. Step 6: Final answer
   x = 3,709,228.15