Finding the Third Proportional to 42,224 and 64,560

Step by Step Solution

1. Step 1: Write the proportion equation
   42,224 : 64,560 = 64,560 : x
2. Step 2: Convert to fraction form
   42,224/64,560 = 64,560/x
3. Step 3: Cross multiply
   42,224x = 64,560 × 64,560
4. Step 4: Simplify right side
   42,224x = 4,167,993,600
5. Step 5: Solve for x
   x = 4,167,993,600/42,224
6. Step 6: Final answer
   x = 98,711.48