Finding the Third Proportional to 36,419.63 and 48,979.69

Step by Step Solution

1. Step 1: Write the proportion equation
   36,419.63 : 48,979.69 = 48,979.69 : x
2. Step 2: Convert to fraction form
   36,419.63/48,979.69 = 48,979.69/x
3. Step 3: Cross multiply
   36,419.63x = 48,979.69 × 48,979.69
4. Step 4: Simplify right side
   36,419.63x = 2,399,009,787.60
5. Step 5: Solve for x
   x = 2,399,009,787.60/36,419.63
6. Step 6: Final answer
   x = 65,871.35