Finding the Third Proportional to 764,460 and 1,647,864

Step by Step Solution

1. Step 1: Write the proportion equation
   764,460 : 1,647,864 = 1,647,864 : x
2. Step 2: Convert to fraction form
   764,460/1,647,864 = 1,647,864/x
3. Step 3: Cross multiply
   764,460x = 1,647,864 × 1,647,864
4. Step 4: Simplify right side
   764,460x = 2,715,455,762,496
5. Step 5: Solve for x
   x = 2,715,455,762,496/764,460
6. Step 6: Final answer
   x = 3,552,122.76