Finding the Third Proportional to 91,798.31 and 140,337.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,798.31 : 140,337.56 = 140,337.56 : x
2. Step 2: Convert to fraction form
   91,798.31/140,337.56 = 140,337.56/x
3. Step 3: Cross multiply
   91,798.31x = 140,337.56 × 140,337.56
4. Step 4: Simplify right side
   91,798.31x = 19,694,631,448.44
5. Step 5: Solve for x
   x = 19,694,631,448.44/91,798.31
6. Step 6: Final answer
   x = 214,542.41