Finding the Third Proportional to 233,187 and 509,870

Step by Step Solution

1. Step 1: Write the proportion equation
   233,187 : 509,870 = 509,870 : x
2. Step 2: Convert to fraction form
   233,187/509,870 = 509,870/x
3. Step 3: Cross multiply
   233,187x = 509,870 × 509,870
4. Step 4: Simplify right side
   233,187x = 259,967,416,900
5. Step 5: Solve for x
   x = 259,967,416,900/233,187
6. Step 6: Final answer
   x = 1,114,845.24