Finding the Third Proportional to 1,448,998 and 2,129,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,998 : 2,129,190 = 2,129,190 : x
2. Step 2: Convert to fraction form
   1,448,998/2,129,190 = 2,129,190/x
3. Step 3: Cross multiply
   1,448,998x = 2,129,190 × 2,129,190
4. Step 4: Simplify right side
   1,448,998x = 4,533,450,056,100
5. Step 5: Solve for x
   x = 4,533,450,056,100/1,448,998
6. Step 6: Final answer
   x = 3,128,679.31