Finding the Third Proportional to 116,970.75 and 248,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,970.75 : 248,521.50 = 248,521.50 : x
2. Step 2: Convert to fraction form
   116,970.75/248,521.50 = 248,521.50/x
3. Step 3: Cross multiply
   116,970.75x = 248,521.50 × 248,521.50
4. Step 4: Simplify right side
   116,970.75x = 61,762,935,962.25
5. Step 5: Solve for x
   x = 61,762,935,962.25/116,970.75
6. Step 6: Final answer
   x = 528,020.35