Finding the Third Proportional to 3,591,383 and 7,881,215

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,383 : 7,881,215 = 7,881,215 : x
2. Step 2: Convert to fraction form
   3,591,383/7,881,215 = 7,881,215/x
3. Step 3: Cross multiply
   3,591,383x = 7,881,215 × 7,881,215
4. Step 4: Simplify right side
   3,591,383x = 62,113,549,876,225
5. Step 5: Solve for x
   x = 62,113,549,876,225/3,591,383
6. Step 6: Final answer
   x = 17,295,161.75