Finding the Third Proportional to 64,752 and 141,616

Step by Step Solution

1. Step 1: Write the proportion equation
   64,752 : 141,616 = 141,616 : x
2. Step 2: Convert to fraction form
   64,752/141,616 = 141,616/x
3. Step 3: Cross multiply
   64,752x = 141,616 × 141,616
4. Step 4: Simplify right side
   64,752x = 20,055,091,456
5. Step 5: Solve for x
   x = 20,055,091,456/64,752
6. Step 6: Final answer
   x = 309,721.58