Finding the Third Proportional to 253,064 and 379,020

Step by Step Solution

1. Step 1: Write the proportion equation
   253,064 : 379,020 = 379,020 : x
2. Step 2: Convert to fraction form
   253,064/379,020 = 379,020/x
3. Step 3: Cross multiply
   253,064x = 379,020 × 379,020
4. Step 4: Simplify right side
   253,064x = 143,656,160,400
5. Step 5: Solve for x
   x = 143,656,160,400/253,064
6. Step 6: Final answer
   x = 567,667.31