Finding the Third Proportional to 12,926,212.50 and 19,139,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,212.50 : 19,139,737.50 = 19,139,737.50 : x
2. Step 2: Convert to fraction form
   12,926,212.50/19,139,737.50 = 19,139,737.50/x
3. Step 3: Cross multiply
   12,926,212.50x = 19,139,737.50 × 19,139,737.50
4. Step 4: Simplify right side
   12,926,212.50x = 366,329,551,568,906.25
5. Step 5: Solve for x
   x = 366,329,551,568,906.25/12,926,212.50
6. Step 6: Final answer
   x = 28,340,053.33