Finding the Third Proportional to 236,260 and 363,140

Step by Step Solution

1. Step 1: Write the proportion equation
   236,260 : 363,140 = 363,140 : x
2. Step 2: Convert to fraction form
   236,260/363,140 = 363,140/x
3. Step 3: Cross multiply
   236,260x = 363,140 × 363,140
4. Step 4: Simplify right side
   236,260x = 131,870,659,600
5. Step 5: Solve for x
   x = 131,870,659,600/236,260
6. Step 6: Final answer
   x = 558,159.06