Finding the Third Proportional to 784,645 and 1,663,463

Step by Step Solution

1. Step 1: Write the proportion equation
   784,645 : 1,663,463 = 1,663,463 : x
2. Step 2: Convert to fraction form
   784,645/1,663,463 = 1,663,463/x
3. Step 3: Cross multiply
   784,645x = 1,663,463 × 1,663,463
4. Step 4: Simplify right side
   784,645x = 2,767,109,152,369
5. Step 5: Solve for x
   x = 2,767,109,152,369/784,645
6. Step 6: Final answer
   x = 3,526,574.63