Finding the Third Proportional to 59,230.31 and 139,822.59

Step by Step Solution

1. Step 1: Write the proportion equation
   59,230.31 : 139,822.59 = 139,822.59 : x
2. Step 2: Convert to fraction form
   59,230.31/139,822.59 = 139,822.59/x
3. Step 3: Cross multiply
   59,230.31x = 139,822.59 × 139,822.59
4. Step 4: Simplify right side
   59,230.31x = 19,550,357,722.98
5. Step 5: Solve for x
   x = 19,550,357,722.98/59,230.31
6. Step 6: Final answer
   x = 330,073.52