Finding the Third Proportional to 112,819.50 and 245,877

Step by Step Solution

1. Step 1: Write the proportion equation
   112,819.50 : 245,877 = 245,877 : x
2. Step 2: Convert to fraction form
   112,819.50/245,877 = 245,877/x
3. Step 3: Cross multiply
   112,819.50x = 245,877 × 245,877
4. Step 4: Simplify right side
   112,819.50x = 60,455,499,129
5. Step 5: Solve for x
   x = 60,455,499,129/112,819.50
6. Step 6: Final answer
   x = 535,860.37