Finding the Third Proportional to 114,639 and 251,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,639 : 251,968.50 = 251,968.50 : x
2. Step 2: Convert to fraction form
   114,639/251,968.50 = 251,968.50/x
3. Step 3: Cross multiply
   114,639x = 251,968.50 × 251,968.50
4. Step 4: Simplify right side
   114,639x = 63,488,124,992.25
5. Step 5: Solve for x
   x = 63,488,124,992.25/114,639
6. Step 6: Final answer
   x = 553,809.13