Finding the Third Proportional to 1,391,182 and 2,213,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,182 : 2,213,000 = 2,213,000 : x
2. Step 2: Convert to fraction form
   1,391,182/2,213,000 = 2,213,000/x
3. Step 3: Cross multiply
   1,391,182x = 2,213,000 × 2,213,000
4. Step 4: Simplify right side
   1,391,182x = 4,897,369,000,000
5. Step 5: Solve for x
   x = 4,897,369,000,000/1,391,182
6. Step 6: Final answer
   x = 3,520,293.53