Finding the Third Proportional to 134,122.50 and 290,025

Step by Step Solution

1. Step 1: Write the proportion equation
   134,122.50 : 290,025 = 290,025 : x
2. Step 2: Convert to fraction form
   134,122.50/290,025 = 290,025/x
3. Step 3: Cross multiply
   134,122.50x = 290,025 × 290,025
4. Step 4: Simplify right side
   134,122.50x = 84,114,500,625
5. Step 5: Solve for x
   x = 84,114,500,625/134,122.50
6. Step 6: Final answer
   x = 627,146.83