Finding the Third Proportional to 304,615.69 and 616,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,615.69 : 616,612.50 = 616,612.50 : x
2. Step 2: Convert to fraction form
   304,615.69/616,612.50 = 616,612.50/x
3. Step 3: Cross multiply
   304,615.69x = 616,612.50 × 616,612.50
4. Step 4: Simplify right side
   304,615.69x = 380,210,975,156.25
5. Step 5: Solve for x
   x = 380,210,975,156.25/304,615.69
6. Step 6: Final answer
   x = 1,248,166.10