Finding the Third Proportional to 28,456.31 and 47,187.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,456.31 : 47,187.56 = 47,187.56 : x
2. Step 2: Convert to fraction form
   28,456.31/47,187.56 = 47,187.56/x
3. Step 3: Cross multiply
   28,456.31x = 47,187.56 × 47,187.56
4. Step 4: Simplify right side
   28,456.31x = 2,226,666,054.69
5. Step 5: Solve for x
   x = 2,226,666,054.69/28,456.31
6. Step 6: Final answer
   x = 78,248.58