Finding the Third Proportional to 42,128 and 63,364

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128 : 63,364 = 63,364 : x
2. Step 2: Convert to fraction form
   42,128/63,364 = 63,364/x
3. Step 3: Cross multiply
   42,128x = 63,364 × 63,364
4. Step 4: Simplify right side
   42,128x = 4,014,996,496
5. Step 5: Solve for x
   x = 4,014,996,496/42,128
6. Step 6: Final answer
   x = 95,304.70