Finding the Third Proportional to 2,608,422.75 and 5,563,505.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,422.75 : 5,563,505.25 = 5,563,505.25 : x
2. Step 2: Convert to fraction form
   2,608,422.75/5,563,505.25 = 5,563,505.25/x
3. Step 3: Cross multiply
   2,608,422.75x = 5,563,505.25 × 5,563,505.25
4. Step 4: Simplify right side
   2,608,422.75x = 30,952,590,666,777.56
5. Step 5: Solve for x
   x = 30,952,590,666,777.56/2,608,422.75
6. Step 6: Final answer
   x = 11,866,401.13