Finding the Third Proportional to 343,856.25 and 755,784

Step by Step Solution

1. Step 1: Write the proportion equation
   343,856.25 : 755,784 = 755,784 : x
2. Step 2: Convert to fraction form
   343,856.25/755,784 = 755,784/x
3. Step 3: Cross multiply
   343,856.25x = 755,784 × 755,784
4. Step 4: Simplify right side
   343,856.25x = 571,209,454,656
5. Step 5: Solve for x
   x = 571,209,454,656/343,856.25
6. Step 6: Final answer
   x = 1,661,186.77