Finding the Third Proportional to 342,345 and 454,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,345 : 454,360.50 = 454,360.50 : x
2. Step 2: Convert to fraction form
   342,345/454,360.50 = 454,360.50/x
3. Step 3: Cross multiply
   342,345x = 454,360.50 × 454,360.50
4. Step 4: Simplify right side
   342,345x = 206,443,463,960.25
5. Step 5: Solve for x
   x = 206,443,463,960.25/342,345
6. Step 6: Final answer
   x = 603,027.54