Finding the Third Proportional to 300,464.50 and 609,226

Step by Step Solution

1. Step 1: Write the proportion equation
   300,464.50 : 609,226 = 609,226 : x
2. Step 2: Convert to fraction form
   300,464.50/609,226 = 609,226/x
3. Step 3: Cross multiply
   300,464.50x = 609,226 × 609,226
4. Step 4: Simplify right side
   300,464.50x = 371,156,319,076
5. Step 5: Solve for x
   x = 371,156,319,076/300,464.50
6. Step 6: Final answer
   x = 1,235,275.11