Finding the Third Proportional to 690,093 and 1,047,555

Step by Step Solution

1. Step 1: Write the proportion equation
   690,093 : 1,047,555 = 1,047,555 : x
2. Step 2: Convert to fraction form
   690,093/1,047,555 = 1,047,555/x
3. Step 3: Cross multiply
   690,093x = 1,047,555 × 1,047,555
4. Step 4: Simplify right side
   690,093x = 1,097,371,478,025
5. Step 5: Solve for x
   x = 1,097,371,478,025/690,093
6. Step 6: Final answer
   x = 1,590,179.12