Finding the Third Proportional to 1,286,620 and 1,892,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,620 : 1,892,500 = 1,892,500 : x
2. Step 2: Convert to fraction form
   1,286,620/1,892,500 = 1,892,500/x
3. Step 3: Cross multiply
   1,286,620x = 1,892,500 × 1,892,500
4. Step 4: Simplify right side
   1,286,620x = 3,581,556,250,000
5. Step 5: Solve for x
   x = 3,581,556,250,000/1,286,620
6. Step 6: Final answer
   x = 2,783,693.90