Finding the Third Proportional to 64,356 and 141,810

Step by Step Solution

1. Step 1: Write the proportion equation
   64,356 : 141,810 = 141,810 : x
2. Step 2: Convert to fraction form
   64,356/141,810 = 141,810/x
3. Step 3: Cross multiply
   64,356x = 141,810 × 141,810
4. Step 4: Simplify right side
   64,356x = 20,110,076,100
5. Step 5: Solve for x
   x = 20,110,076,100/64,356
6. Step 6: Final answer
   x = 312,481.76