Finding the Third Proportional to 666,307 and 1,030,605

Step by Step Solution

1. Step 1: Write the proportion equation
   666,307 : 1,030,605 = 1,030,605 : x
2. Step 2: Convert to fraction form
   666,307/1,030,605 = 1,030,605/x
3. Step 3: Cross multiply
   666,307x = 1,030,605 × 1,030,605
4. Step 4: Simplify right side
   666,307x = 1,062,146,666,025
5. Step 5: Solve for x
   x = 1,062,146,666,025/666,307
6. Step 6: Final answer
   x = 1,594,080.01