Finding the Third Proportional to 42,120 and 63,288

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120 : 63,288 = 63,288 : x
2. Step 2: Convert to fraction form
   42,120/63,288 = 63,288/x
3. Step 3: Cross multiply
   42,120x = 63,288 × 63,288
4. Step 4: Simplify right side
   42,120x = 4,005,370,944
5. Step 5: Solve for x
   x = 4,005,370,944/42,120
6. Step 6: Final answer
   x = 95,094.28