Finding the Third Proportional to 104,002.31 and 148,619.81

Step by Step Solution

1. Step 1: Write the proportion equation
   104,002.31 : 148,619.81 = 148,619.81 : x
2. Step 2: Convert to fraction form
   104,002.31/148,619.81 = 148,619.81/x
3. Step 3: Cross multiply
   104,002.31x = 148,619.81 × 148,619.81
4. Step 4: Simplify right side
   104,002.31x = 22,087,848,667.54
5. Step 5: Solve for x
   x = 22,087,848,667.54/104,002.31
6. Step 6: Final answer
   x = 212,378.44