Finding the Third Proportional to 236,418.50 and 513,026

Step by Step Solution

1. Step 1: Write the proportion equation
   236,418.50 : 513,026 = 513,026 : x
2. Step 2: Convert to fraction form
   236,418.50/513,026 = 513,026/x
3. Step 3: Cross multiply
   236,418.50x = 513,026 × 513,026
4. Step 4: Simplify right side
   236,418.50x = 263,195,676,676
5. Step 5: Solve for x
   x = 263,195,676,676/236,418.50
6. Step 6: Final answer
   x = 1,113,261.77