Finding the Third Proportional to 201,222 and 272,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,222 : 272,308.50 = 272,308.50 : x
2. Step 2: Convert to fraction form
   201,222/272,308.50 = 272,308.50/x
3. Step 3: Cross multiply
   201,222x = 272,308.50 × 272,308.50
4. Step 4: Simplify right side
   201,222x = 74,151,919,172.25
5. Step 5: Solve for x
   x = 74,151,919,172.25/201,222
6. Step 6: Final answer
   x = 368,508.01