Finding the Third Proportional to 2,609,780 and 5,732,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,780 : 5,732,776 = 5,732,776 : x
2. Step 2: Convert to fraction form
   2,609,780/5,732,776 = 5,732,776/x
3. Step 3: Cross multiply
   2,609,780x = 5,732,776 × 5,732,776
4. Step 4: Simplify right side
   2,609,780x = 32,864,720,666,176
5. Step 5: Solve for x
   x = 32,864,720,666,176/2,609,780
6. Step 6: Final answer
   x = 12,592,908.47