Finding the Third Proportional to 140,565.94 and 306,090

Step by Step Solution

1. Step 1: Write the proportion equation
   140,565.94 : 306,090 = 306,090 : x
2. Step 2: Convert to fraction form
   140,565.94/306,090 = 306,090/x
3. Step 3: Cross multiply
   140,565.94x = 306,090 × 306,090
4. Step 4: Simplify right side
   140,565.94x = 93,691,088,100
5. Step 5: Solve for x
   x = 93,691,088,100/140,565.94
6. Step 6: Final answer
   x = 666,527.68