Finding the Third Proportional to 4,101,428 and 8,974,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,101,428 : 8,974,780 = 8,974,780 : x
2. Step 2: Convert to fraction form
   4,101,428/8,974,780 = 8,974,780/x
3. Step 3: Cross multiply
   4,101,428x = 8,974,780 × 8,974,780
4. Step 4: Simplify right side
   4,101,428x = 80,546,676,048,400
5. Step 5: Solve for x
   x = 80,546,676,048,400/4,101,428
6. Step 6: Final answer
   x = 19,638,690.73