Finding the Third Proportional to 47,828.07 and 69,139.09

Step by Step Solution

1. Step 1: Write the proportion equation
   47,828.07 : 69,139.09 = 69,139.09 : x
2. Step 2: Convert to fraction form
   47,828.07/69,139.09 = 69,139.09/x
3. Step 3: Cross multiply
   47,828.07x = 69,139.09 × 69,139.09
4. Step 4: Simplify right side
   47,828.07x = 4,780,213,744.42
5. Step 5: Solve for x
   x = 4,780,213,744.42/47,828.07
6. Step 6: Final answer
   x = 99,945.77