Finding the Third Proportional to 644,796 and 1,016,658

Step by Step Solution

1. Step 1: Write the proportion equation
   644,796 : 1,016,658 = 1,016,658 : x
2. Step 2: Convert to fraction form
   644,796/1,016,658 = 1,016,658/x
3. Step 3: Cross multiply
   644,796x = 1,016,658 × 1,016,658
4. Step 4: Simplify right side
   644,796x = 1,033,593,488,964
5. Step 5: Solve for x
   x = 1,033,593,488,964/644,796
6. Step 6: Final answer
   x = 1,602,977.51