Finding the Third Proportional to 215,025 and 341,607

Step by Step Solution

1. Step 1: Write the proportion equation
   215,025 : 341,607 = 341,607 : x
2. Step 2: Convert to fraction form
   215,025/341,607 = 341,607/x
3. Step 3: Cross multiply
   215,025x = 341,607 × 341,607
4. Step 4: Simplify right side
   215,025x = 116,695,342,449
5. Step 5: Solve for x
   x = 116,695,342,449/215,025
6. Step 6: Final answer
   x = 542,705.93