Finding the Third Proportional to 615,794 and 980,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   615,794 : 980,606.50 = 980,606.50 : x
2. Step 2: Convert to fraction form
   615,794/980,606.50 = 980,606.50/x
3. Step 3: Cross multiply
   615,794x = 980,606.50 × 980,606.50
4. Step 4: Simplify right side
   615,794x = 961,589,107,842.25
5. Step 5: Solve for x
   x = 961,589,107,842.25/615,794
6. Step 6: Final answer
   x = 1,561,543.48