Finding the Third Proportional to 59,229.13 and 139,819.63

Step by Step Solution

1. Step 1: Write the proportion equation
   59,229.13 : 139,819.63 = 139,819.63 : x
2. Step 2: Convert to fraction form
   59,229.13/139,819.63 = 139,819.63/x
3. Step 3: Cross multiply
   59,229.13x = 139,819.63 × 139,819.63
4. Step 4: Simplify right side
   59,229.13x = 19,549,527,535.14
5. Step 5: Solve for x
   x = 19,549,527,535.14/59,229.13
6. Step 6: Final answer
   x = 330,066.12