Finding the Third Proportional to 28,911.94 and 42,137.44

Step by Step Solution

1. Step 1: Write the proportion equation
   28,911.94 : 42,137.44 = 42,137.44 : x
2. Step 2: Convert to fraction form
   28,911.94/42,137.44 = 42,137.44/x
3. Step 3: Cross multiply
   28,911.94x = 42,137.44 × 42,137.44
4. Step 4: Simplify right side
   28,911.94x = 1,775,563,639.07
5. Step 5: Solve for x
   x = 1,775,563,639.07/28,911.94
6. Step 6: Final answer
   x = 61,412.82