Finding the Third Proportional to 2,575,509 and 5,599,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,509 : 5,599,423.50 = 5,599,423.50 : x
2. Step 2: Convert to fraction form
   2,575,509/5,599,423.50 = 5,599,423.50/x
3. Step 3: Cross multiply
   2,575,509x = 5,599,423.50 × 5,599,423.50
4. Step 4: Simplify right side
   2,575,509x = 31,353,543,532,352.25
5. Step 5: Solve for x
   x = 31,353,543,532,352.25/2,575,509
6. Step 6: Final answer
   x = 12,173,727.03