Finding the Third Proportional to 64,774 and 141,554

Step by Step Solution

1. Step 1: Write the proportion equation
   64,774 : 141,554 = 141,554 : x
2. Step 2: Convert to fraction form
   64,774/141,554 = 141,554/x
3. Step 3: Cross multiply
   64,774x = 141,554 × 141,554
4. Step 4: Simplify right side
   64,774x = 20,037,534,916
5. Step 5: Solve for x
   x = 20,037,534,916/64,774
6. Step 6: Final answer
   x = 309,345.34