Finding the Third Proportional to 3,860,460 and 8,356,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,460 : 8,356,392 = 8,356,392 : x
2. Step 2: Convert to fraction form
   3,860,460/8,356,392 = 8,356,392/x
3. Step 3: Cross multiply
   3,860,460x = 8,356,392 × 8,356,392
4. Step 4: Simplify right side
   3,860,460x = 69,829,287,257,664
5. Step 5: Solve for x
   x = 69,829,287,257,664/3,860,460
6. Step 6: Final answer
   x = 18,088,333.32