Finding the Third Proportional to 100,449 and 146,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,449 : 146,902.50 = 146,902.50 : x
2. Step 2: Convert to fraction form
   100,449/146,902.50 = 146,902.50/x
3. Step 3: Cross multiply
   100,449x = 146,902.50 × 146,902.50
4. Step 4: Simplify right side
   100,449x = 21,580,344,506.25
5. Step 5: Solve for x
   x = 21,580,344,506.25/100,449
6. Step 6: Final answer
   x = 214,838.82