Finding the Third Proportional to 700,434 and 1,070,985

Step by Step Solution

1. Step 1: Write the proportion equation
   700,434 : 1,070,985 = 1,070,985 : x
2. Step 2: Convert to fraction form
   700,434/1,070,985 = 1,070,985/x
3. Step 3: Cross multiply
   700,434x = 1,070,985 × 1,070,985
4. Step 4: Simplify right side
   700,434x = 1,147,008,870,225
5. Step 5: Solve for x
   x = 1,147,008,870,225/700,434
6. Step 6: Final answer
   x = 1,637,568.81