Finding the Third Proportional to 42,156 and 63,512.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156 : 63,512.25 = 63,512.25 : x
2. Step 2: Convert to fraction form
   42,156/63,512.25 = 63,512.25/x
3. Step 3: Cross multiply
   42,156x = 63,512.25 × 63,512.25
4. Step 4: Simplify right side
   42,156x = 4,033,805,900.06
5. Step 5: Solve for x
   x = 4,033,805,900.06/42,156
6. Step 6: Final answer
   x = 95,687.59