Finding the Third Proportional to 49,870.69 and 76,651.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.69 : 76,651.31 = 76,651.31 : x
2. Step 2: Convert to fraction form
   49,870.69/76,651.31 = 76,651.31/x
3. Step 3: Cross multiply
   49,870.69x = 76,651.31 × 76,651.31
4. Step 4: Simplify right side
   49,870.69x = 5,875,423,707.97
5. Step 5: Solve for x
   x = 5,875,423,707.97/49,870.69
6. Step 6: Final answer
   x = 117,813.17