Finding the Third Proportional to 43,340 and 64,724

Step by Step Solution

1. Step 1: Write the proportion equation
   43,340 : 64,724 = 64,724 : x
2. Step 2: Convert to fraction form
   43,340/64,724 = 64,724/x
3. Step 3: Cross multiply
   43,340x = 64,724 × 64,724
4. Step 4: Simplify right side
   43,340x = 4,189,196,176
5. Step 5: Solve for x
   x = 4,189,196,176/43,340
6. Step 6: Final answer
   x = 96,658.89