Finding the Third Proportional to 684,491 and 1,064,072

Step by Step Solution

1. Step 1: Write the proportion equation
   684,491 : 1,064,072 = 1,064,072 : x
2. Step 2: Convert to fraction form
   684,491/1,064,072 = 1,064,072/x
3. Step 3: Cross multiply
   684,491x = 1,064,072 × 1,064,072
4. Step 4: Simplify right side
   684,491x = 1,132,249,221,184
5. Step 5: Solve for x
   x = 1,132,249,221,184/684,491
6. Step 6: Final answer
   x = 1,654,147.71