Finding the Third Proportional to 64,456 and 99,600

Step by Step Solution

1. Step 1: Write the proportion equation
   64,456 : 99,600 = 99,600 : x
2. Step 2: Convert to fraction form
   64,456/99,600 = 99,600/x
3. Step 3: Cross multiply
   64,456x = 99,600 × 99,600
4. Step 4: Simplify right side
   64,456x = 9,920,160,000
5. Step 5: Solve for x
   x = 9,920,160,000/64,456
6. Step 6: Final answer
   x = 153,905.92