Finding the Third Proportional to 1,418,132 and 2,128,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,132 : 2,128,224 = 2,128,224 : x
2. Step 2: Convert to fraction form
   1,418,132/2,128,224 = 2,128,224/x
3. Step 3: Cross multiply
   1,418,132x = 2,128,224 × 2,128,224
4. Step 4: Simplify right side
   1,418,132x = 4,529,337,394,176
5. Step 5: Solve for x
   x = 4,529,337,394,176/1,418,132
6. Step 6: Final answer
   x = 3,193,875.74