Finding the Third Proportional to 3,571,828 and 7,837,328

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571,828 : 7,837,328 = 7,837,328 : x
2. Step 2: Convert to fraction form
   3,571,828/7,837,328 = 7,837,328/x
3. Step 3: Cross multiply
   3,571,828x = 7,837,328 × 7,837,328
4. Step 4: Simplify right side
   3,571,828x = 61,423,710,179,584
5. Step 5: Solve for x
   x = 61,423,710,179,584/3,571,828
6. Step 6: Final answer
   x = 17,196,715.57