Finding the Third Proportional to 43,218 and 63,270

Step by Step Solution

1. Step 1: Write the proportion equation
   43,218 : 63,270 = 63,270 : x
2. Step 2: Convert to fraction form
   43,218/63,270 = 63,270/x
3. Step 3: Cross multiply
   43,218x = 63,270 × 63,270
4. Step 4: Simplify right side
   43,218x = 4,003,092,900
5. Step 5: Solve for x
   x = 4,003,092,900/43,218
6. Step 6: Final answer
   x = 92,625.59