Finding the Third Proportional to 2,118,132 and 4,539,528

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,132 : 4,539,528 = 4,539,528 : x
2. Step 2: Convert to fraction form
   2,118,132/4,539,528 = 4,539,528/x
3. Step 3: Cross multiply
   2,118,132x = 4,539,528 × 4,539,528
4. Step 4: Simplify right side
   2,118,132x = 20,607,314,462,784
5. Step 5: Solve for x
   x = 20,607,314,462,784/2,118,132
6. Step 6: Final answer
   x = 9,729,003.89