Finding the Third Proportional to 188,481 and 403,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,481 : 403,030.50 = 403,030.50 : x
2. Step 2: Convert to fraction form
   188,481/403,030.50 = 403,030.50/x
3. Step 3: Cross multiply
   188,481x = 403,030.50 × 403,030.50
4. Step 4: Simplify right side
   188,481x = 162,433,583,930.25
5. Step 5: Solve for x
   x = 162,433,583,930.25/188,481
6. Step 6: Final answer
   x = 861,803.49