Finding the Third Proportional to 753,912 and 1,643,372

Step by Step Solution

1. Step 1: Write the proportion equation
   753,912 : 1,643,372 = 1,643,372 : x
2. Step 2: Convert to fraction form
   753,912/1,643,372 = 1,643,372/x
3. Step 3: Cross multiply
   753,912x = 1,643,372 × 1,643,372
4. Step 4: Simplify right side
   753,912x = 2,700,671,530,384
5. Step 5: Solve for x
   x = 2,700,671,530,384/753,912
6. Step 6: Final answer
   x = 3,582,210.56