Finding the Third Proportional to 146,817 and 210,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,817 : 210,001.50 = 210,001.50 : x
2. Step 2: Convert to fraction form
   146,817/210,001.50 = 210,001.50/x
3. Step 3: Cross multiply
   146,817x = 210,001.50 × 210,001.50
4. Step 4: Simplify right side
   146,817x = 44,100,630,002.25
5. Step 5: Solve for x
   x = 44,100,630,002.25/146,817
6. Step 6: Final answer
   x = 300,378.23