Finding the Third Proportional to 250,448 and 375,780

Step by Step Solution

1. Step 1: Write the proportion equation
   250,448 : 375,780 = 375,780 : x
2. Step 2: Convert to fraction form
   250,448/375,780 = 375,780/x
3. Step 3: Cross multiply
   250,448x = 375,780 × 375,780
4. Step 4: Simplify right side
   250,448x = 141,210,608,400
5. Step 5: Solve for x
   x = 141,210,608,400/250,448
6. Step 6: Final answer
   x = 563,832.05