Finding the Third Proportional to 247,141 and 539,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,141 : 539,388.50 = 539,388.50 : x
2. Step 2: Convert to fraction form
   247,141/539,388.50 = 539,388.50/x
3. Step 3: Cross multiply
   247,141x = 539,388.50 × 539,388.50
4. Step 4: Simplify right side
   247,141x = 290,939,953,932.25
5. Step 5: Solve for x
   x = 290,939,953,932.25/247,141
6. Step 6: Final answer
   x = 1,177,222.53