Finding the Third Proportional to 145,364.63 and 308,341.69

Step by Step Solution

1. Step 1: Write the proportion equation
   145,364.63 : 308,341.69 = 308,341.69 : x
2. Step 2: Convert to fraction form
   145,364.63/308,341.69 = 308,341.69/x
3. Step 3: Cross multiply
   145,364.63x = 308,341.69 × 308,341.69
4. Step 4: Simplify right side
   145,364.63x = 95,074,596,250.35
5. Step 5: Solve for x
   x = 95,074,596,250.35/145,364.63
6. Step 6: Final answer
   x = 654,042.18