Finding the Third Proportional to 1,238,538 and 1,914,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,538 : 1,914,166 = 1,914,166 : x
2. Step 2: Convert to fraction form
   1,238,538/1,914,166 = 1,914,166/x
3. Step 3: Cross multiply
   1,238,538x = 1,914,166 × 1,914,166
4. Step 4: Simplify right side
   1,238,538x = 3,664,031,475,556
5. Step 5: Solve for x
   x = 3,664,031,475,556/1,238,538
6. Step 6: Final answer
   x = 2,958,352.09