Finding the Third Proportional to 142,291.69 and 297,730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,291.69 : 297,730.69 = 297,730.69 : x
2. Step 2: Convert to fraction form
   142,291.69/297,730.69 = 297,730.69/x
3. Step 3: Cross multiply
   142,291.69x = 297,730.69 × 297,730.69
4. Step 4: Simplify right side
   142,291.69x = 88,643,562,279.22
5. Step 5: Solve for x
   x = 88,643,562,279.22/142,291.69
6. Step 6: Final answer
   x = 622,970.77