Finding the Third Proportional to 42,788.25 and 62,636.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,788.25 : 62,636.63 = 62,636.63 : x
2. Step 2: Convert to fraction form
   42,788.25/62,636.63 = 62,636.63/x
3. Step 3: Cross multiply
   42,788.25x = 62,636.63 × 62,636.63
4. Step 4: Simplify right side
   42,788.25x = 3,923,346,791.39
5. Step 5: Solve for x
   x = 3,923,346,791.39/42,788.25
6. Step 6: Final answer
   x = 91,692.15