Finding the Third Proportional to 386,026.59 and 556,894.83

Step by Step Solution

1. Step 1: Write the proportion equation
   386,026.59 : 556,894.83 = 556,894.83 : x
2. Step 2: Convert to fraction form
   386,026.59/556,894.83 = 556,894.83/x
3. Step 3: Cross multiply
   386,026.59x = 556,894.83 × 556,894.83
4. Step 4: Simplify right side
   386,026.59x = 310,131,849,592.37
5. Step 5: Solve for x
   x = 310,131,849,592.37/386,026.59
6. Step 6: Final answer
   x = 803,395.04