Finding the Third Proportional to 1,917,020 and 4,103,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,020 : 4,103,328 = 4,103,328 : x
2. Step 2: Convert to fraction form
   1,917,020/4,103,328 = 4,103,328/x
3. Step 3: Cross multiply
   1,917,020x = 4,103,328 × 4,103,328
4. Step 4: Simplify right side
   1,917,020x = 16,837,300,675,584
5. Step 5: Solve for x
   x = 16,837,300,675,584/1,917,020
6. Step 6: Final answer
   x = 8,783,059.48