Finding the Third Proportional to 2,760,640 and 5,655,143

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760,640 : 5,655,143 = 5,655,143 : x
2. Step 2: Convert to fraction form
   2,760,640/5,655,143 = 5,655,143/x
3. Step 3: Cross multiply
   2,760,640x = 5,655,143 × 5,655,143
4. Step 4: Simplify right side
   2,760,640x = 31,980,642,350,449
5. Step 5: Solve for x
   x = 31,980,642,350,449/2,760,640
6. Step 6: Final answer
   x = 11,584,503.00