Finding the Third Proportional to 502,351.50 and 702,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   502,351.50 : 702,667.50 = 702,667.50 : x
2. Step 2: Convert to fraction form
   502,351.50/702,667.50 = 702,667.50/x
3. Step 3: Cross multiply
   502,351.50x = 702,667.50 × 702,667.50
4. Step 4: Simplify right side
   502,351.50x = 493,741,615,556.25
5. Step 5: Solve for x
   x = 493,741,615,556.25/502,351.50
6. Step 6: Final answer
   x = 982,860.84