Finding the Third Proportional to 786,461 and 1,720,105

Step by Step Solution

1. Step 1: Write the proportion equation
   786,461 : 1,720,105 = 1,720,105 : x
2. Step 2: Convert to fraction form
   786,461/1,720,105 = 1,720,105/x
3. Step 3: Cross multiply
   786,461x = 1,720,105 × 1,720,105
4. Step 4: Simplify right side
   786,461x = 2,958,761,211,025
5. Step 5: Solve for x
   x = 2,958,761,211,025/786,461
6. Step 6: Final answer
   x = 3,762,120.70