Finding the Third Proportional to 288,175.22 and 429,922.69

Step by Step Solution

1. Step 1: Write the proportion equation
   288,175.22 : 429,922.69 = 429,922.69 : x
2. Step 2: Convert to fraction form
   288,175.22/429,922.69 = 429,922.69/x
3. Step 3: Cross multiply
   288,175.22x = 429,922.69 × 429,922.69
4. Step 4: Simplify right side
   288,175.22x = 184,833,517,227.22
5. Step 5: Solve for x
   x = 184,833,517,227.22/288,175.22
6. Step 6: Final answer
   x = 641,392.82