Finding the Third Proportional to 42,178 and 63,148

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178 : 63,148 = 63,148 : x
2. Step 2: Convert to fraction form
   42,178/63,148 = 63,148/x
3. Step 3: Cross multiply
   42,178x = 63,148 × 63,148
4. Step 4: Simplify right side
   42,178x = 3,987,669,904
5. Step 5: Solve for x
   x = 3,987,669,904/42,178
6. Step 6: Final answer
   x = 94,543.84