Finding the Third Proportional to 784,653 and 1,663,478

Step by Step Solution

1. Step 1: Write the proportion equation
   784,653 : 1,663,478 = 1,663,478 : x
2. Step 2: Convert to fraction form
   784,653/1,663,478 = 1,663,478/x
3. Step 3: Cross multiply
   784,653x = 1,663,478 × 1,663,478
4. Step 4: Simplify right side
   784,653x = 2,767,159,056,484
5. Step 5: Solve for x
   x = 2,767,159,056,484/784,653
6. Step 6: Final answer
   x = 3,526,602.28