Finding the Third Proportional to 74,119.50 and 163,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,119.50 : 163,003.50 = 163,003.50 : x
2. Step 2: Convert to fraction form
   74,119.50/163,003.50 = 163,003.50/x
3. Step 3: Cross multiply
   74,119.50x = 163,003.50 × 163,003.50
4. Step 4: Simplify right side
   74,119.50x = 26,570,141,012.25
5. Step 5: Solve for x
   x = 26,570,141,012.25/74,119.50
6. Step 6: Final answer
   x = 358,477.07