Finding the Third Proportional to 613,072.50 and 1,336,486.50

Step by Step Solution

1. Step 1: Write the proportion equation
   613,072.50 : 1,336,486.50 = 1,336,486.50 : x
2. Step 2: Convert to fraction form
   613,072.50/1,336,486.50 = 1,336,486.50/x
3. Step 3: Cross multiply
   613,072.50x = 1,336,486.50 × 1,336,486.50
4. Step 4: Simplify right side
   613,072.50x = 1,786,196,164,682.25
5. Step 5: Solve for x
   x = 1,786,196,164,682.25/613,072.50
6. Step 6: Final answer
   x = 2,913,515.39