Finding the Third Proportional to 251,163 and 388,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,163 : 388,471.50 = 388,471.50 : x
2. Step 2: Convert to fraction form
   251,163/388,471.50 = 388,471.50/x
3. Step 3: Cross multiply
   251,163x = 388,471.50 × 388,471.50
4. Step 4: Simplify right side
   251,163x = 150,910,106,312.25
5. Step 5: Solve for x
   x = 150,910,106,312.25/251,163
6. Step 6: Final answer
   x = 600,845.29