Finding the Third Proportional to 2,515,819.50 and 5,525,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,819.50 : 5,525,880 = 5,525,880 : x
2. Step 2: Convert to fraction form
   2,515,819.50/5,525,880 = 5,525,880/x
3. Step 3: Cross multiply
   2,515,819.50x = 5,525,880 × 5,525,880
4. Step 4: Simplify right side
   2,515,819.50x = 30,535,349,774,400
5. Step 5: Solve for x
   x = 30,535,349,774,400/2,515,819.50
6. Step 6: Final answer
   x = 12,137,337.27