Finding the Third Proportional to 306,495 and 605,130.75

Step by Step Solution

1. Step 1: Write the proportion equation
   306,495 : 605,130.75 = 605,130.75 : x
2. Step 2: Convert to fraction form
   306,495/605,130.75 = 605,130.75/x
3. Step 3: Cross multiply
   306,495x = 605,130.75 × 605,130.75
4. Step 4: Simplify right side
   306,495x = 366,183,224,595.56
5. Step 5: Solve for x
   x = 366,183,224,595.56/306,495
6. Step 6: Final answer
   x = 1,194,744.53