Finding the Third Proportional to 105,447 and 248,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,447 : 248,911.50 = 248,911.50 : x
2. Step 2: Convert to fraction form
   105,447/248,911.50 = 248,911.50/x
3. Step 3: Cross multiply
   105,447x = 248,911.50 × 248,911.50
4. Step 4: Simplify right side
   105,447x = 61,956,934,832.25
5. Step 5: Solve for x
   x = 61,956,934,832.25/105,447
6. Step 6: Final answer
   x = 587,564.70