Finding the Third Proportional to 388,276.50 and 595,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,276.50 : 595,978.50 = 595,978.50 : x
2. Step 2: Convert to fraction form
   388,276.50/595,978.50 = 595,978.50/x
3. Step 3: Cross multiply
   388,276.50x = 595,978.50 × 595,978.50
4. Step 4: Simplify right side
   388,276.50x = 355,190,372,462.25
5. Step 5: Solve for x
   x = 355,190,372,462.25/388,276.50
6. Step 6: Final answer
   x = 914,787.20