Finding the Third Proportional to 613,651.50 and 1,312,590

Step by Step Solution

1. Step 1: Write the proportion equation
   613,651.50 : 1,312,590 = 1,312,590 : x
2. Step 2: Convert to fraction form
   613,651.50/1,312,590 = 1,312,590/x
3. Step 3: Cross multiply
   613,651.50x = 1,312,590 × 1,312,590
4. Step 4: Simplify right side
   613,651.50x = 1,722,892,508,100
5. Step 5: Solve for x
   x = 1,722,892,508,100/613,651.50
6. Step 6: Final answer
   x = 2,807,607.43