Finding the Third Proportional to 238,572 and 520,013.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,572 : 520,013.25 = 520,013.25 : x
2. Step 2: Convert to fraction form
   238,572/520,013.25 = 520,013.25/x
3. Step 3: Cross multiply
   238,572x = 520,013.25 × 520,013.25
4. Step 4: Simplify right side
   238,572x = 270,413,780,175.56
5. Step 5: Solve for x
   x = 270,413,780,175.56/238,572
6. Step 6: Final answer
   x = 1,133,468.22