Finding the Third Proportional to 691,012 and 1,066,041

Step by Step Solution

1. Step 1: Write the proportion equation
   691,012 : 1,066,041 = 1,066,041 : x
2. Step 2: Convert to fraction form
   691,012/1,066,041 = 1,066,041/x
3. Step 3: Cross multiply
   691,012x = 1,066,041 × 1,066,041
4. Step 4: Simplify right side
   691,012x = 1,136,443,413,681
5. Step 5: Solve for x
   x = 1,136,443,413,681/691,012
6. Step 6: Final answer
   x = 1,644,607.35