Finding the Third Proportional to 3,927,213 and 8,474,076

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927,213 : 8,474,076 = 8,474,076 : x
2. Step 2: Convert to fraction form
   3,927,213/8,474,076 = 8,474,076/x
3. Step 3: Cross multiply
   3,927,213x = 8,474,076 × 8,474,076
4. Step 4: Simplify right side
   3,927,213x = 71,809,964,053,776
5. Step 5: Solve for x
   x = 71,809,964,053,776/3,927,213
6. Step 6: Final answer
   x = 18,285,222.64