Finding the Third Proportional to 1,217,622 and 1,939,185

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,622 : 1,939,185 = 1,939,185 : x
2. Step 2: Convert to fraction form
   1,217,622/1,939,185 = 1,939,185/x
3. Step 3: Cross multiply
   1,217,622x = 1,939,185 × 1,939,185
4. Step 4: Simplify right side
   1,217,622x = 3,760,438,464,225
5. Step 5: Solve for x
   x = 3,760,438,464,225/1,217,622
6. Step 6: Final answer
   x = 3,088,346.35