Finding the Third Proportional to 291,630.56 and 606,540.56

Step by Step Solution

1. Step 1: Write the proportion equation
   291,630.56 : 606,540.56 = 606,540.56 : x
2. Step 2: Convert to fraction form
   291,630.56/606,540.56 = 606,540.56/x
3. Step 3: Cross multiply
   291,630.56x = 606,540.56 × 606,540.56
4. Step 4: Simplify right side
   291,630.56x = 367,891,453,957.82
5. Step 5: Solve for x
   x = 367,891,453,957.82/291,630.56
6. Step 6: Final answer
   x = 1,261,498.28