Finding the Third Proportional to 288,111.94 and 415,006.03

Step by Step Solution

1. Step 1: Write the proportion equation
   288,111.94 : 415,006.03 = 415,006.03 : x
2. Step 2: Convert to fraction form
   288,111.94/415,006.03 = 415,006.03/x
3. Step 3: Cross multiply
   288,111.94x = 415,006.03 × 415,006.03
4. Step 4: Simplify right side
   288,111.94x = 172,230,005,973.88
5. Step 5: Solve for x
   x = 172,230,005,973.88/288,111.94
6. Step 6: Final answer
   x = 597,788.51