Finding the Third Proportional to 43,200.38 and 64,800.56

Step by Step Solution

1. Step 1: Write the proportion equation
   43,200.38 : 64,800.56 = 64,800.56 : x
2. Step 2: Convert to fraction form
   43,200.38/64,800.56 = 64,800.56/x
3. Step 3: Cross multiply
   43,200.38x = 64,800.56 × 64,800.56
4. Step 4: Simplify right side
   43,200.38x = 4,199,112,900.32
5. Step 5: Solve for x
   x = 4,199,112,900.32/43,200.38
6. Step 6: Final answer
   x = 97,200.84