Finding the Third Proportional to 3,782,658 and 8,208,294

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,658 : 8,208,294 = 8,208,294 : x
2. Step 2: Convert to fraction form
   3,782,658/8,208,294 = 8,208,294/x
3. Step 3: Cross multiply
   3,782,658x = 8,208,294 × 8,208,294
4. Step 4: Simplify right side
   3,782,658x = 67,376,090,390,436
5. Step 5: Solve for x
   x = 67,376,090,390,436/3,782,658
6. Step 6: Final answer
   x = 17,811,837.71