Finding the Third Proportional to 690,097 and 1,047,561

Step by Step Solution

1. Step 1: Write the proportion equation
   690,097 : 1,047,561 = 1,047,561 : x
2. Step 2: Convert to fraction form
   690,097/1,047,561 = 1,047,561/x
3. Step 3: Cross multiply
   690,097x = 1,047,561 × 1,047,561
4. Step 4: Simplify right side
   690,097x = 1,097,384,048,721
5. Step 5: Solve for x
   x = 1,097,384,048,721/690,097
6. Step 6: Final answer
   x = 1,590,188.12