Finding the Third Proportional to 326,143 and 498,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,143 : 498,941.50 = 498,941.50 : x
2. Step 2: Convert to fraction form
   326,143/498,941.50 = 498,941.50/x
3. Step 3: Cross multiply
   326,143x = 498,941.50 × 498,941.50
4. Step 4: Simplify right side
   326,143x = 248,942,620,422.25
5. Step 5: Solve for x
   x = 248,942,620,422.25/326,143
6. Step 6: Final answer
   x = 763,292.85