Finding the Third Proportional to 250,443 and 375,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,443 : 375,772.50 = 375,772.50 : x
2. Step 2: Convert to fraction form
   250,443/375,772.50 = 375,772.50/x
3. Step 3: Cross multiply
   250,443x = 375,772.50 × 375,772.50
4. Step 4: Simplify right side
   250,443x = 141,204,971,756.25
5. Step 5: Solve for x
   x = 141,204,971,756.25/250,443
6. Step 6: Final answer
   x = 563,820.80