Finding the Third Proportional to 28,311 and 42,462

Step by Step Solution

1. Step 1: Write the proportion equation
   28,311 : 42,462 = 42,462 : x
2. Step 2: Convert to fraction form
   28,311/42,462 = 42,462/x
3. Step 3: Cross multiply
   28,311x = 42,462 × 42,462
4. Step 4: Simplify right side
   28,311x = 1,803,021,444
5. Step 5: Solve for x
   x = 1,803,021,444/28,311
6. Step 6: Final answer
   x = 63,686.25