Finding the Third Proportional to 248,903 and 546,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,903 : 546,189.50 = 546,189.50 : x
2. Step 2: Convert to fraction form
   248,903/546,189.50 = 546,189.50/x
3. Step 3: Cross multiply
   248,903x = 546,189.50 × 546,189.50
4. Step 4: Simplify right side
   248,903x = 298,322,969,910.25
5. Step 5: Solve for x
   x = 298,322,969,910.25/248,903
6. Step 6: Final answer
   x = 1,198,551.12