Finding the Third Proportional to 21,208,440 and 32,428,944

Step by Step Solution

1. Step 1: Write the proportion equation
   21,208,440 : 32,428,944 = 32,428,944 : x
2. Step 2: Convert to fraction form
   21,208,440/32,428,944 = 32,428,944/x
3. Step 3: Cross multiply
   21,208,440x = 32,428,944 × 32,428,944
4. Step 4: Simplify right side
   21,208,440x = 1,051,636,408,955,136
5. Step 5: Solve for x
   x = 1,051,636,408,955,136/21,208,440
6. Step 6: Final answer
   x = 49,585,750.25