Finding the Third Proportional to 28,270 and 42,463

Step by Step Solution

1. Step 1: Write the proportion equation
   28,270 : 42,463 = 42,463 : x
2. Step 2: Convert to fraction form
   28,270/42,463 = 42,463/x
3. Step 3: Cross multiply
   28,270x = 42,463 × 42,463
4. Step 4: Simplify right side
   28,270x = 1,803,106,369
5. Step 5: Solve for x
   x = 1,803,106,369/28,270
6. Step 6: Final answer
   x = 63,781.62