Finding the Third Proportional to 646,483 and 1,359,964

Step by Step Solution

1. Step 1: Write the proportion equation
   646,483 : 1,359,964 = 1,359,964 : x
2. Step 2: Convert to fraction form
   646,483/1,359,964 = 1,359,964/x
3. Step 3: Cross multiply
   646,483x = 1,359,964 × 1,359,964
4. Step 4: Simplify right side
   646,483x = 1,849,502,081,296
5. Step 5: Solve for x
   x = 1,849,502,081,296/646,483
6. Step 6: Final answer
   x = 2,860,867.31