Finding the Third Proportional to 64,722.38 and 141,211.27

Step by Step Solution

1. Step 1: Write the proportion equation
   64,722.38 : 141,211.27 = 141,211.27 : x
2. Step 2: Convert to fraction form
   64,722.38/141,211.27 = 141,211.27/x
3. Step 3: Cross multiply
   64,722.38x = 141,211.27 × 141,211.27
4. Step 4: Simplify right side
   64,722.38x = 19,940,621,539.41
5. Step 5: Solve for x
   x = 19,940,621,539.41/64,722.38
6. Step 6: Final answer
   x = 308,094.71