Finding the Third Proportional to 2,118,528 and 2,720,133

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,528 : 2,720,133 = 2,720,133 : x
2. Step 2: Convert to fraction form
   2,118,528/2,720,133 = 2,720,133/x
3. Step 3: Cross multiply
   2,118,528x = 2,720,133 × 2,720,133
4. Step 4: Simplify right side
   2,118,528x = 7,399,123,537,689
5. Step 5: Solve for x
   x = 7,399,123,537,689/2,118,528
6. Step 6: Final answer
   x = 3,492,577.65