Finding the Third Proportional to 64,363.50 and 141,816

Step by Step Solution

1. Step 1: Write the proportion equation
   64,363.50 : 141,816 = 141,816 : x
2. Step 2: Convert to fraction form
   64,363.50/141,816 = 141,816/x
3. Step 3: Cross multiply
   64,363.50x = 141,816 × 141,816
4. Step 4: Simplify right side
   64,363.50x = 20,111,777,856
5. Step 5: Solve for x
   x = 20,111,777,856/64,363.50
6. Step 6: Final answer
   x = 312,471.79