Finding the Third Proportional to 712,315.69 and 1,559,710.69

Step by Step Solution

1. Step 1: Write the proportion equation
   712,315.69 : 1,559,710.69 = 1,559,710.69 : x
2. Step 2: Convert to fraction form
   712,315.69/1,559,710.69 = 1,559,710.69/x
3. Step 3: Cross multiply
   712,315.69x = 1,559,710.69 × 1,559,710.69
4. Step 4: Simplify right side
   712,315.69x = 2,432,697,428,701.72
5. Step 5: Solve for x
   x = 2,432,697,428,701.72/712,315.69
6. Step 6: Final answer
   x = 3,415,195.64