Finding the Third Proportional to 200,961 and 272,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,961 : 272,911.50 = 272,911.50 : x
2. Step 2: Convert to fraction form
   200,961/272,911.50 = 272,911.50/x
3. Step 3: Cross multiply
   200,961x = 272,911.50 × 272,911.50
4. Step 4: Simplify right side
   200,961x = 74,480,686,832.25
5. Step 5: Solve for x
   x = 74,480,686,832.25/200,961
6. Step 6: Final answer
   x = 370,622.59