Finding the Third Proportional to 784,644 and 1,663,448

Step by Step Solution

1. Step 1: Write the proportion equation
   784,644 : 1,663,448 = 1,663,448 : x
2. Step 2: Convert to fraction form
   784,644/1,663,448 = 1,663,448/x
3. Step 3: Cross multiply
   784,644x = 1,663,448 × 1,663,448
4. Step 4: Simplify right side
   784,644x = 2,767,059,248,704
5. Step 5: Solve for x
   x = 2,767,059,248,704/784,644
6. Step 6: Final answer
   x = 3,526,515.53