Finding the Third Proportional to 20,529,144 and 31,783,872

Step by Step Solution

1. Step 1: Write the proportion equation
   20,529,144 : 31,783,872 = 31,783,872 : x
2. Step 2: Convert to fraction form
   20,529,144/31,783,872 = 31,783,872/x
3. Step 3: Cross multiply
   20,529,144x = 31,783,872 × 31,783,872
4. Step 4: Simplify right side
   20,529,144x = 1,010,214,519,312,384
5. Step 5: Solve for x
   x = 1,010,214,519,312,384/20,529,144
6. Step 6: Final answer
   x = 49,208,798.93