Finding the Third Proportional to 611,914 and 1,312,412

Step by Step Solution

1. Step 1: Write the proportion equation
   611,914 : 1,312,412 = 1,312,412 : x
2. Step 2: Convert to fraction form
   611,914/1,312,412 = 1,312,412/x
3. Step 3: Cross multiply
   611,914x = 1,312,412 × 1,312,412
4. Step 4: Simplify right side
   611,914x = 1,722,425,257,744
5. Step 5: Solve for x
   x = 1,722,425,257,744/611,914
6. Step 6: Final answer
   x = 2,814,815.90