Finding the Third Proportional to 189,083.50 and 403,196

Step by Step Solution

1. Step 1: Write the proportion equation
   189,083.50 : 403,196 = 403,196 : x
2. Step 2: Convert to fraction form
   189,083.50/403,196 = 403,196/x
3. Step 3: Cross multiply
   189,083.50x = 403,196 × 403,196
4. Step 4: Simplify right side
   189,083.50x = 162,567,014,416
5. Step 5: Solve for x
   x = 162,567,014,416/189,083.50
6. Step 6: Final answer
   x = 859,763.09