Finding the Third Proportional to 28,299.38 and 42,519.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,299.38 : 42,519.94 = 42,519.94 : x
2. Step 2: Convert to fraction form
   28,299.38/42,519.94 = 42,519.94/x
3. Step 3: Cross multiply
   28,299.38x = 42,519.94 × 42,519.94
4. Step 4: Simplify right side
   28,299.38x = 1,807,945,085.00
5. Step 5: Solve for x
   x = 1,807,945,085.00/28,299.38
6. Step 6: Final answer
   x = 63,886.40