Finding the Third Proportional to 772,964 and 1,648,660

Step by Step Solution

1. Step 1: Write the proportion equation
   772,964 : 1,648,660 = 1,648,660 : x
2. Step 2: Convert to fraction form
   772,964/1,648,660 = 1,648,660/x
3. Step 3: Cross multiply
   772,964x = 1,648,660 × 1,648,660
4. Step 4: Simplify right side
   772,964x = 2,718,079,795,600
5. Step 5: Solve for x
   x = 2,718,079,795,600/772,964
6. Step 6: Final answer
   x = 3,516,437.76