Finding the Third Proportional to 109,370 and 235,810

Step by Step Solution

1. Step 1: Write the proportion equation
   109,370 : 235,810 = 235,810 : x
2. Step 2: Convert to fraction form
   109,370/235,810 = 235,810/x
3. Step 3: Cross multiply
   109,370x = 235,810 × 235,810
4. Step 4: Simplify right side
   109,370x = 55,606,356,100
5. Step 5: Solve for x
   x = 55,606,356,100/109,370
6. Step 6: Final answer
   x = 508,424.21