Finding the Third Proportional to 253,997.91 and 348,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   253,997.91 : 348,300.56 = 348,300.56 : x
2. Step 2: Convert to fraction form
   253,997.91/348,300.56 = 348,300.56/x
3. Step 3: Cross multiply
   253,997.91x = 348,300.56 × 348,300.56
4. Step 4: Simplify right side
   253,997.91x = 121,313,281,837.82
5. Step 5: Solve for x
   x = 121,313,281,837.82/253,997.91
6. Step 6: Final answer
   x = 477,615.28