Finding the Third Proportional to 43,278.68 and 64,745.02

Step by Step Solution

1. Step 1: Write the proportion equation
   43,278.68 : 64,745.02 = 64,745.02 : x
2. Step 2: Convert to fraction form
   43,278.68/64,745.02 = 64,745.02/x
3. Step 3: Cross multiply
   43,278.68x = 64,745.02 × 64,745.02
4. Step 4: Simplify right side
   43,278.68x = 4,191,918,186.38
5. Step 5: Solve for x
   x = 4,191,918,186.38/43,278.68
6. Step 6: Final answer
   x = 96,858.74