Finding the Third Proportional to 21,208,383 and 32,428,863

Step by Step Solution

1. Step 1: Write the proportion equation
   21,208,383 : 32,428,863 = 32,428,863 : x
2. Step 2: Convert to fraction form
   21,208,383/32,428,863 = 32,428,863/x
3. Step 3: Cross multiply
   21,208,383x = 32,428,863 × 32,428,863
4. Step 4: Simplify right side
   21,208,383x = 1,051,631,155,472,769
5. Step 5: Solve for x
   x = 1,051,631,155,472,769/21,208,383
6. Step 6: Final answer
   x = 49,585,635.81