Finding the Third Proportional to 2,545,123.50 and 5,488,767

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,123.50 : 5,488,767 = 5,488,767 : x
2. Step 2: Convert to fraction form
   2,545,123.50/5,488,767 = 5,488,767/x
3. Step 3: Cross multiply
   2,545,123.50x = 5,488,767 × 5,488,767
4. Step 4: Simplify right side
   2,545,123.50x = 30,126,563,180,289
5. Step 5: Solve for x
   x = 30,126,563,180,289/2,545,123.50
6. Step 6: Final answer
   x = 11,836,974.98