Finding the Third Proportional to 20,207,424.38 and 31,663,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,207,424.38 : 31,663,021.50 = 31,663,021.50 : x
2. Step 2: Convert to fraction form
   20,207,424.38/31,663,021.50 = 31,663,021.50/x
3. Step 3: Cross multiply
   20,207,424.38x = 31,663,021.50 × 31,663,021.50
4. Step 4: Simplify right side
   20,207,424.38x = 1,002,546,930,509,462.25
5. Step 5: Solve for x
   x = 1,002,546,930,509,462.25/20,207,424.38
6. Step 6: Final answer
   x = 49,612,801.31