Finding the Third Proportional to 691,010 and 1,066,038

Step by Step Solution

1. Step 1: Write the proportion equation
   691,010 : 1,066,038 = 1,066,038 : x
2. Step 2: Convert to fraction form
   691,010/1,066,038 = 1,066,038/x
3. Step 3: Cross multiply
   691,010x = 1,066,038 × 1,066,038
4. Step 4: Simplify right side
   691,010x = 1,136,437,017,444
5. Step 5: Solve for x
   x = 1,136,437,017,444/691,010
6. Step 6: Final answer
   x = 1,644,602.85