Finding the Third Proportional to 666,388 and 1,451,096

Step by Step Solution

1. Step 1: Write the proportion equation
   666,388 : 1,451,096 = 1,451,096 : x
2. Step 2: Convert to fraction form
   666,388/1,451,096 = 1,451,096/x
3. Step 3: Cross multiply
   666,388x = 1,451,096 × 1,451,096
4. Step 4: Simplify right side
   666,388x = 2,105,679,601,216
5. Step 5: Solve for x
   x = 2,105,679,601,216/666,388
6. Step 6: Final answer
   x = 3,159,840.22