Finding the Third Proportional to 778,861 and 1,674,064

Step by Step Solution

1. Step 1: Write the proportion equation
   778,861 : 1,674,064 = 1,674,064 : x
2. Step 2: Convert to fraction form
   778,861/1,674,064 = 1,674,064/x
3. Step 3: Cross multiply
   778,861x = 1,674,064 × 1,674,064
4. Step 4: Simplify right side
   778,861x = 2,802,490,276,096
5. Step 5: Solve for x
   x = 2,802,490,276,096/778,861
6. Step 6: Final answer
   x = 3,598,190.53