Finding the Third Proportional to 343,359 and 745,827.75

Step by Step Solution

1. Step 1: Write the proportion equation
   343,359 : 745,827.75 = 745,827.75 : x
2. Step 2: Convert to fraction form
   343,359/745,827.75 = 745,827.75/x
3. Step 3: Cross multiply
   343,359x = 745,827.75 × 745,827.75
4. Step 4: Simplify right side
   343,359x = 556,259,032,670.06
5. Step 5: Solve for x
   x = 556,259,032,670.06/343,359
6. Step 6: Final answer
   x = 1,620,050.83