Finding the Third Proportional to 784,635 and 1,663,428

Step by Step Solution

1. Step 1: Write the proportion equation
   784,635 : 1,663,428 = 1,663,428 : x
2. Step 2: Convert to fraction form
   784,635/1,663,428 = 1,663,428/x
3. Step 3: Cross multiply
   784,635x = 1,663,428 × 1,663,428
4. Step 4: Simplify right side
   784,635x = 2,766,992,711,184
5. Step 5: Solve for x
   x = 2,766,992,711,184/784,635
6. Step 6: Final answer
   x = 3,526,471.18