Finding the Third Proportional to 1,917,856 and 2,911,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,856 : 2,911,776 = 2,911,776 : x
2. Step 2: Convert to fraction form
   1,917,856/2,911,776 = 2,911,776/x
3. Step 3: Cross multiply
   1,917,856x = 2,911,776 × 2,911,776
4. Step 4: Simplify right side
   1,917,856x = 8,478,439,474,176
5. Step 5: Solve for x
   x = 8,478,439,474,176/1,917,856
6. Step 6: Final answer
   x = 4,420,790.44