Finding the Third Proportional to 271,980 and 449,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,980 : 449,482.50 = 449,482.50 : x
2. Step 2: Convert to fraction form
   271,980/449,482.50 = 449,482.50/x
3. Step 3: Cross multiply
   271,980x = 449,482.50 × 449,482.50
4. Step 4: Simplify right side
   271,980x = 202,034,517,806.25
5. Step 5: Solve for x
   x = 202,034,517,806.25/271,980
6. Step 6: Final answer
   x = 742,828.58