Finding the Third Proportional to 1,217,624 and 1,939,188

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,624 : 1,939,188 = 1,939,188 : x
2. Step 2: Convert to fraction form
   1,217,624/1,939,188 = 1,939,188/x
3. Step 3: Cross multiply
   1,217,624x = 1,939,188 × 1,939,188
4. Step 4: Simplify right side
   1,217,624x = 3,760,450,099,344
5. Step 5: Solve for x
   x = 3,760,450,099,344/1,217,624
6. Step 6: Final answer
   x = 3,088,350.84