Finding the Third Proportional to 275,282 and 416,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,282 : 416,719.50 = 416,719.50 : x
2. Step 2: Convert to fraction form
   275,282/416,719.50 = 416,719.50/x
3. Step 3: Cross multiply
   275,282x = 416,719.50 × 416,719.50
4. Step 4: Simplify right side
   275,282x = 173,655,141,680.25
5. Step 5: Solve for x
   x = 173,655,141,680.25/275,282
6. Step 6: Final answer
   x = 630,826.36