Finding the Third Proportional to 611,864 and 1,312,300

Step by Step Solution

1. Step 1: Write the proportion equation
   611,864 : 1,312,300 = 1,312,300 : x
2. Step 2: Convert to fraction form
   611,864/1,312,300 = 1,312,300/x
3. Step 3: Cross multiply
   611,864x = 1,312,300 × 1,312,300
4. Step 4: Simplify right side
   611,864x = 1,722,131,290,000
5. Step 5: Solve for x
   x = 1,722,131,290,000/611,864
6. Step 6: Final answer
   x = 2,814,565.48