Finding the Third Proportional to 359,036.06 and 555,911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   359,036.06 : 555,911.25 = 555,911.25 : x
2. Step 2: Convert to fraction form
   359,036.06/555,911.25 = 555,911.25/x
3. Step 3: Cross multiply
   359,036.06x = 555,911.25 × 555,911.25
4. Step 4: Simplify right side
   359,036.06x = 309,037,317,876.56
5. Step 5: Solve for x
   x = 309,037,317,876.56/359,036.06
6. Step 6: Final answer
   x = 860,741.72