Finding the Third Proportional to 700,780 and 1,065,342

Step by Step Solution

1. Step 1: Write the proportion equation
   700,780 : 1,065,342 = 1,065,342 : x
2. Step 2: Convert to fraction form
   700,780/1,065,342 = 1,065,342/x
3. Step 3: Cross multiply
   700,780x = 1,065,342 × 1,065,342
4. Step 4: Simplify right side
   700,780x = 1,134,953,576,964
5. Step 5: Solve for x
   x = 1,134,953,576,964/700,780
6. Step 6: Final answer
   x = 1,619,557.60