Finding the Third Proportional to 666,402 and 1,451,124

Step by Step Solution

1. Step 1: Write the proportion equation
   666,402 : 1,451,124 = 1,451,124 : x
2. Step 2: Convert to fraction form
   666,402/1,451,124 = 1,451,124/x
3. Step 3: Cross multiply
   666,402x = 1,451,124 × 1,451,124
4. Step 4: Simplify right side
   666,402x = 2,105,760,863,376
5. Step 5: Solve for x
   x = 2,105,760,863,376/666,402
6. Step 6: Final answer
   x = 3,159,895.77