Finding the Third Proportional to 351,048 and 501,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,048 : 501,634.50 = 501,634.50 : x
2. Step 2: Convert to fraction form
   351,048/501,634.50 = 501,634.50/x
3. Step 3: Cross multiply
   351,048x = 501,634.50 × 501,634.50
4. Step 4: Simplify right side
   351,048x = 251,637,171,590.25
5. Step 5: Solve for x
   x = 251,637,171,590.25/351,048
6. Step 6: Final answer
   x = 716,816.99