Finding the Third Proportional to 3,561,304 and 8,398,402

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561,304 : 8,398,402 = 8,398,402 : x
2. Step 2: Convert to fraction form
   3,561,304/8,398,402 = 8,398,402/x
3. Step 3: Cross multiply
   3,561,304x = 8,398,402 × 8,398,402
4. Step 4: Simplify right side
   3,561,304x = 70,533,156,153,604
5. Step 5: Solve for x
   x = 70,533,156,153,604/3,561,304
6. Step 6: Final answer
   x = 19,805,429.74