Finding the Third Proportional to 780,354 and 1,677,100

Step by Step Solution

1. Step 1: Write the proportion equation
   780,354 : 1,677,100 = 1,677,100 : x
2. Step 2: Convert to fraction form
   780,354/1,677,100 = 1,677,100/x
3. Step 3: Cross multiply
   780,354x = 1,677,100 × 1,677,100
4. Step 4: Simplify right side
   780,354x = 2,812,664,410,000
5. Step 5: Solve for x
   x = 2,812,664,410,000/780,354
6. Step 6: Final answer
   x = 3,604,344.20