Finding the Third Proportional to 309,661.31 and 452,541.94

Step by Step Solution

1. Step 1: Write the proportion equation
   309,661.31 : 452,541.94 = 452,541.94 : x
2. Step 2: Convert to fraction form
   309,661.31/452,541.94 = 452,541.94/x
3. Step 3: Cross multiply
   309,661.31x = 452,541.94 × 452,541.94
4. Step 4: Simplify right side
   309,661.31x = 204,794,205,196.25
5. Step 5: Solve for x
   x = 204,794,205,196.25/309,661.31
6. Step 6: Final answer
   x = 661,349.02