Finding the Third Proportional to 200,979 and 272,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,979 : 272,938.50 = 272,938.50 : x
2. Step 2: Convert to fraction form
   200,979/272,938.50 = 272,938.50/x
3. Step 3: Cross multiply
   200,979x = 272,938.50 × 272,938.50
4. Step 4: Simplify right side
   200,979x = 74,495,424,782.25
5. Step 5: Solve for x
   x = 74,495,424,782.25/200,979
6. Step 6: Final answer
   x = 370,662.73