Finding the Third Proportional to 116,651 and 273,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,651 : 273,158.50 = 273,158.50 : x
2. Step 2: Convert to fraction form
   116,651/273,158.50 = 273,158.50/x
3. Step 3: Cross multiply
   116,651x = 273,158.50 × 273,158.50
4. Step 4: Simplify right side
   116,651x = 74,615,566,122.25
5. Step 5: Solve for x
   x = 74,615,566,122.25/116,651
6. Step 6: Final answer
   x = 639,647.89