Finding the Third Proportional to 12,926,209.50 and 19,139,733

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,209.50 : 19,139,733 = 19,139,733 : x
2. Step 2: Convert to fraction form
   12,926,209.50/19,139,733 = 19,139,733/x
3. Step 3: Cross multiply
   12,926,209.50x = 19,139,733 × 19,139,733
4. Step 4: Simplify right side
   12,926,209.50x = 366,329,379,311,289
5. Step 5: Solve for x
   x = 366,329,379,311,289/12,926,209.50
6. Step 6: Final answer
   x = 28,340,046.58