Finding the Third Proportional to 296,910 and 604,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,910 : 604,345.50 = 604,345.50 : x
2. Step 2: Convert to fraction form
   296,910/604,345.50 = 604,345.50/x
3. Step 3: Cross multiply
   296,910x = 604,345.50 × 604,345.50
4. Step 4: Simplify right side
   296,910x = 365,233,483,370.25
5. Step 5: Solve for x
   x = 365,233,483,370.25/296,910
6. Step 6: Final answer
   x = 1,230,115.13