Finding the Third Proportional to 134,119.50 and 290,018.25

Step by Step Solution

1. Step 1: Write the proportion equation
   134,119.50 : 290,018.25 = 290,018.25 : x
2. Step 2: Convert to fraction form
   134,119.50/290,018.25 = 290,018.25/x
3. Step 3: Cross multiply
   134,119.50x = 290,018.25 × 290,018.25
4. Step 4: Simplify right side
   134,119.50x = 84,110,585,333.06
5. Step 5: Solve for x
   x = 84,110,585,333.06/134,119.50
6. Step 6: Final answer
   x = 627,131.66