Finding the Third Proportional to 300,782 and 609,844

Step by Step Solution

1. Step 1: Write the proportion equation
   300,782 : 609,844 = 609,844 : x
2. Step 2: Convert to fraction form
   300,782/609,844 = 609,844/x
3. Step 3: Cross multiply
   300,782x = 609,844 × 609,844
4. Step 4: Simplify right side
   300,782x = 371,909,704,336
5. Step 5: Solve for x
   x = 371,909,704,336/300,782
6. Step 6: Final answer
   x = 1,236,475.93