Finding the Third Proportional to 1,369,738 and 2,129,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,738 : 2,129,212 = 2,129,212 : x
2. Step 2: Convert to fraction form
   1,369,738/2,129,212 = 2,129,212/x
3. Step 3: Cross multiply
   1,369,738x = 2,129,212 × 2,129,212
4. Step 4: Simplify right side
   1,369,738x = 4,533,543,740,944
5. Step 5: Solve for x
   x = 4,533,543,740,944/1,369,738
6. Step 6: Final answer
   x = 3,309,788.98