Finding the Third Proportional to 64,328.63 and 141,745.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,328.63 : 141,745.50 = 141,745.50 : x
2. Step 2: Convert to fraction form
   64,328.63/141,745.50 = 141,745.50/x
3. Step 3: Cross multiply
   64,328.63x = 141,745.50 × 141,745.50
4. Step 4: Simplify right side
   64,328.63x = 20,091,786,770.25
5. Step 5: Solve for x
   x = 20,091,786,770.25/64,328.63
6. Step 6: Final answer
   x = 312,330.42