Finding the Third Proportional to 42,487.03 and 68,548.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,487.03 : 68,548.78 = 68,548.78 : x
2. Step 2: Convert to fraction form
   42,487.03/68,548.78 = 68,548.78/x
3. Step 3: Cross multiply
   42,487.03x = 68,548.78 × 68,548.78
4. Step 4: Simplify right side
   42,487.03x = 4,698,935,410.86
5. Step 5: Solve for x
   x = 4,698,935,410.86/42,487.03
6. Step 6: Final answer
   x = 110,596.93