Finding the Third Proportional to 43,176 and 57,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,176 : 57,388.50 = 57,388.50 : x
2. Step 2: Convert to fraction form
   43,176/57,388.50 = 57,388.50/x
3. Step 3: Cross multiply
   43,176x = 57,388.50 × 57,388.50
4. Step 4: Simplify right side
   43,176x = 3,293,439,932.25
5. Step 5: Solve for x
   x = 3,293,439,932.25/43,176
6. Step 6: Final answer
   x = 76,279.41