Finding the Third Proportional to 42,076 and 63,420

Step by Step Solution

1. Step 1: Write the proportion equation
   42,076 : 63,420 = 63,420 : x
2. Step 2: Convert to fraction form
   42,076/63,420 = 63,420/x
3. Step 3: Cross multiply
   42,076x = 63,420 × 63,420
4. Step 4: Simplify right side
   42,076x = 4,022,096,400
5. Step 5: Solve for x
   x = 4,022,096,400/42,076
6. Step 6: Final answer
   x = 95,591.23