Finding the Third Proportional to 200,911.50 and 272,862

Step by Step Solution

1. Step 1: Write the proportion equation
   200,911.50 : 272,862 = 272,862 : x
2. Step 2: Convert to fraction form
   200,911.50/272,862 = 272,862/x
3. Step 3: Cross multiply
   200,911.50x = 272,862 × 272,862
4. Step 4: Simplify right side
   200,911.50x = 74,453,671,044
5. Step 5: Solve for x
   x = 74,453,671,044/200,911.50
6. Step 6: Final answer
   x = 370,579.44