Finding the Third Proportional to 343,710 and 753,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,710 : 753,853.50 = 753,853.50 : x
2. Step 2: Convert to fraction form
   343,710/753,853.50 = 753,853.50/x
3. Step 3: Cross multiply
   343,710x = 753,853.50 × 753,853.50
4. Step 4: Simplify right side
   343,710x = 568,295,099,462.25
5. Step 5: Solve for x
   x = 568,295,099,462.25/343,710
6. Step 6: Final answer
   x = 1,653,414.50