Finding the Third Proportional to 669,140 and 1,443,352

Step by Step Solution

1. Step 1: Write the proportion equation
   669,140 : 1,443,352 = 1,443,352 : x
2. Step 2: Convert to fraction form
   669,140/1,443,352 = 1,443,352/x
3. Step 3: Cross multiply
   669,140x = 1,443,352 × 1,443,352
4. Step 4: Simplify right side
   669,140x = 2,083,264,995,904
5. Step 5: Solve for x
   x = 2,083,264,995,904/669,140
6. Step 6: Final answer
   x = 3,113,346.98