Finding the Third Proportional to 254,881.50 and 520,860

Step by Step Solution

1. Step 1: Write the proportion equation
   254,881.50 : 520,860 = 520,860 : x
2. Step 2: Convert to fraction form
   254,881.50/520,860 = 520,860/x
3. Step 3: Cross multiply
   254,881.50x = 520,860 × 520,860
4. Step 4: Simplify right side
   254,881.50x = 271,295,139,600
5. Step 5: Solve for x
   x = 271,295,139,600/254,881.50
6. Step 6: Final answer
   x = 1,064,397.14