Finding the Third Proportional to 99,732 and 146,646

Step by Step Solution

1. Step 1: Write the proportion equation
   99,732 : 146,646 = 146,646 : x
2. Step 2: Convert to fraction form
   99,732/146,646 = 146,646/x
3. Step 3: Cross multiply
   99,732x = 146,646 × 146,646
4. Step 4: Simplify right side
   99,732x = 21,505,049,316
5. Step 5: Solve for x
   x = 21,505,049,316/99,732
6. Step 6: Final answer
   x = 215,628.38