Finding the Third Proportional to 613,548 and 1,312,380

Step by Step Solution

1. Step 1: Write the proportion equation
   613,548 : 1,312,380 = 1,312,380 : x
2. Step 2: Convert to fraction form
   613,548/1,312,380 = 1,312,380/x
3. Step 3: Cross multiply
   613,548x = 1,312,380 × 1,312,380
4. Step 4: Simplify right side
   613,548x = 1,722,341,264,400
5. Step 5: Solve for x
   x = 1,722,341,264,400/613,548
6. Step 6: Final answer
   x = 2,807,182.59