Finding the Third Proportional to 20,509,858 and 32,172,723

Step by Step Solution

1. Step 1: Write the proportion equation
   20,509,858 : 32,172,723 = 32,172,723 : x
2. Step 2: Convert to fraction form
   20,509,858/32,172,723 = 32,172,723/x
3. Step 3: Cross multiply
   20,509,858x = 32,172,723 × 32,172,723
4. Step 4: Simplify right side
   20,509,858x = 1,035,084,105,234,729
5. Step 5: Solve for x
   x = 1,035,084,105,234,729/20,509,858
6. Step 6: Final answer
   x = 50,467,638.79