Finding the Third Proportional to 245,514 and 528,571.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,514 : 528,571.50 = 528,571.50 : x
2. Step 2: Convert to fraction form
   245,514/528,571.50 = 528,571.50/x
3. Step 3: Cross multiply
   245,514x = 528,571.50 × 528,571.50
4. Step 4: Simplify right side
   245,514x = 279,387,830,612.25
5. Step 5: Solve for x
   x = 279,387,830,612.25/245,514
6. Step 6: Final answer
   x = 1,137,971.08