Finding the Third Proportional to 147,798 and 223,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,798 : 223,438.50 = 223,438.50 : x
2. Step 2: Convert to fraction form
   147,798/223,438.50 = 223,438.50/x
3. Step 3: Cross multiply
   147,798x = 223,438.50 × 223,438.50
4. Step 4: Simplify right side
   147,798x = 49,924,763,282.25
5. Step 5: Solve for x
   x = 49,924,763,282.25/147,798
6. Step 6: Final answer
   x = 337,790.52