Finding the Third Proportional to 2,708,788 and 5,641,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,708,788 : 5,641,776 = 5,641,776 : x
2. Step 2: Convert to fraction form
   2,708,788/5,641,776 = 5,641,776/x
3. Step 3: Cross multiply
   2,708,788x = 5,641,776 × 5,641,776
4. Step 4: Simplify right side
   2,708,788x = 31,829,636,434,176
5. Step 5: Solve for x
   x = 31,829,636,434,176/2,708,788
6. Step 6: Final answer
   x = 11,750,508.51