Finding the Third Proportional to 143,798 and 302,500

Step by Step Solution

1. Step 1: Write the proportion equation
   143,798 : 302,500 = 302,500 : x
2. Step 2: Convert to fraction form
   143,798/302,500 = 302,500/x
3. Step 3: Cross multiply
   143,798x = 302,500 × 302,500
4. Step 4: Simplify right side
   143,798x = 91,506,250,000
5. Step 5: Solve for x
   x = 91,506,250,000/143,798
6. Step 6: Final answer
   x = 636,352.73