Finding the Third Proportional to 753,970 and 1,643,426

Step by Step Solution

1. Step 1: Write the proportion equation
   753,970 : 1,643,426 = 1,643,426 : x
2. Step 2: Convert to fraction form
   753,970/1,643,426 = 1,643,426/x
3. Step 3: Cross multiply
   753,970x = 1,643,426 × 1,643,426
4. Step 4: Simplify right side
   753,970x = 2,700,849,017,476
5. Step 5: Solve for x
   x = 2,700,849,017,476/753,970
6. Step 6: Final answer
   x = 3,582,170.40