Finding the Third Proportional to 613,584 and 1,345,248

Step by Step Solution

1. Step 1: Write the proportion equation
   613,584 : 1,345,248 = 1,345,248 : x
2. Step 2: Convert to fraction form
   613,584/1,345,248 = 1,345,248/x
3. Step 3: Cross multiply
   613,584x = 1,345,248 × 1,345,248
4. Step 4: Simplify right side
   613,584x = 1,809,692,181,504
5. Step 5: Solve for x
   x = 1,809,692,181,504/613,584
6. Step 6: Final answer
   x = 2,949,379.68