Finding the Third Proportional to 770,484 and 1,655,664

Step by Step Solution

1. Step 1: Write the proportion equation
   770,484 : 1,655,664 = 1,655,664 : x
2. Step 2: Convert to fraction form
   770,484/1,655,664 = 1,655,664/x
3. Step 3: Cross multiply
   770,484x = 1,655,664 × 1,655,664
4. Step 4: Simplify right side
   770,484x = 2,741,223,280,896
5. Step 5: Solve for x
   x = 2,741,223,280,896/770,484
6. Step 6: Final answer
   x = 3,557,793.91