Finding the Third Proportional to 691,038 and 1,066,077

Step by Step Solution

1. Step 1: Write the proportion equation
   691,038 : 1,066,077 = 1,066,077 : x
2. Step 2: Convert to fraction form
   691,038/1,066,077 = 1,066,077/x
3. Step 3: Cross multiply
   691,038x = 1,066,077 × 1,066,077
4. Step 4: Simplify right side
   691,038x = 1,136,520,169,929
5. Step 5: Solve for x
   x = 1,136,520,169,929/691,038
6. Step 6: Final answer
   x = 1,644,656.55