Finding the Third Proportional to 2,545,012.50 and 5,488,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,012.50 : 5,488,536 = 5,488,536 : x
2. Step 2: Convert to fraction form
   2,545,012.50/5,488,536 = 5,488,536/x
3. Step 3: Cross multiply
   2,545,012.50x = 5,488,536 × 5,488,536
4. Step 4: Simplify right side
   2,545,012.50x = 30,124,027,423,296
5. Step 5: Solve for x
   x = 30,124,027,423,296/2,545,012.50
6. Step 6: Final answer
   x = 11,836,494.88