Finding the Third Proportional to 110,859 and 243,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,859 : 243,862.50 = 243,862.50 : x
2. Step 2: Convert to fraction form
   110,859/243,862.50 = 243,862.50/x
3. Step 3: Cross multiply
   110,859x = 243,862.50 × 243,862.50
4. Step 4: Simplify right side
   110,859x = 59,468,918,906.25
5. Step 5: Solve for x
   x = 59,468,918,906.25/110,859
6. Step 6: Final answer
   x = 536,437.45