Finding the Third Proportional to 30,888 and 51,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,888 : 51,124.50 = 51,124.50 : x
2. Step 2: Convert to fraction form
   30,888/51,124.50 = 51,124.50/x
3. Step 3: Cross multiply
   30,888x = 51,124.50 × 51,124.50
4. Step 4: Simplify right side
   30,888x = 2,613,714,500.25
5. Step 5: Solve for x
   x = 2,613,714,500.25/30,888
6. Step 6: Final answer
   x = 84,619.09