Finding the Third Proportional to 12,019,387.50 and 28,344,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019,387.50 : 28,344,590.72 = 28,344,590.72 : x
2. Step 2: Convert to fraction form
   12,019,387.50/28,344,590.72 = 28,344,590.72/x
3. Step 3: Cross multiply
   12,019,387.50x = 28,344,590.72 × 28,344,590.72
4. Step 4: Simplify right side
   12,019,387.50x = 803,415,823,013,448.62
5. Step 5: Solve for x
   x = 803,415,823,013,448.62/12,019,387.50
6. Step 6: Final answer
   x = 66,843,324.84