Finding the Third Proportional to 251,295 and 388,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,295 : 388,612.50 = 388,612.50 : x
2. Step 2: Convert to fraction form
   251,295/388,612.50 = 388,612.50/x
3. Step 3: Cross multiply
   251,295x = 388,612.50 × 388,612.50
4. Step 4: Simplify right side
   251,295x = 151,019,675,156.25
5. Step 5: Solve for x
   x = 151,019,675,156.25/251,295
6. Step 6: Final answer
   x = 600,965.70