Finding the Third Proportional to 91,015.31 and 142,463.81

Step by Step Solution

1. Step 1: Write the proportion equation
   91,015.31 : 142,463.81 = 142,463.81 : x
2. Step 2: Convert to fraction form
   91,015.31/142,463.81 = 142,463.81/x
3. Step 3: Cross multiply
   91,015.31x = 142,463.81 × 142,463.81
4. Step 4: Simplify right side
   91,015.31x = 20,295,937,872.04
5. Step 5: Solve for x
   x = 20,295,937,872.04/91,015.31
6. Step 6: Final answer
   x = 222,994.76