Finding the Third Proportional to 42,430 and 60,322

Step by Step Solution

1. Step 1: Write the proportion equation
   42,430 : 60,322 = 60,322 : x
2. Step 2: Convert to fraction form
   42,430/60,322 = 60,322/x
3. Step 3: Cross multiply
   42,430x = 60,322 × 60,322
4. Step 4: Simplify right side
   42,430x = 3,638,743,684
5. Step 5: Solve for x
   x = 3,638,743,684/42,430
6. Step 6: Final answer
   x = 85,758.75