Finding the Third Proportional to 3,834,340 and 8,207,228

Step by Step Solution

1. Step 1: Write the proportion equation
   3,834,340 : 8,207,228 = 8,207,228 : x
2. Step 2: Convert to fraction form
   3,834,340/8,207,228 = 8,207,228/x
3. Step 3: Cross multiply
   3,834,340x = 8,207,228 × 8,207,228
4. Step 4: Simplify right side
   3,834,340x = 67,358,591,443,984
5. Step 5: Solve for x
   x = 67,358,591,443,984/3,834,340
6. Step 6: Final answer
   x = 17,567,193.17