Finding the Third Proportional to 2,559,763.69 and 5,499,415.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,763.69 : 5,499,415.69 = 5,499,415.69 : x
2. Step 2: Convert to fraction form
   2,559,763.69/5,499,415.69 = 5,499,415.69/x
3. Step 3: Cross multiply
   2,559,763.69x = 5,499,415.69 × 5,499,415.69
4. Step 4: Simplify right side
   2,559,763.69x = 30,243,572,903,921.10
5. Step 5: Solve for x
   x = 30,243,572,903,921.10/2,559,763.69
6. Step 6: Final answer
   x = 11,814,986.30