Finding the Third Proportional to 250,843 and 388,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,843 : 388,567.50 = 388,567.50 : x
2. Step 2: Convert to fraction form
   250,843/388,567.50 = 388,567.50/x
3. Step 3: Cross multiply
   250,843x = 388,567.50 × 388,567.50
4. Step 4: Simplify right side
   250,843x = 150,984,702,056.25
5. Step 5: Solve for x
   x = 150,984,702,056.25/250,843
6. Step 6: Final answer
   x = 601,909.17