Finding the Third Proportional to 1,015,642 and 1,543,409

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,642 : 1,543,409 = 1,543,409 : x
2. Step 2: Convert to fraction form
   1,015,642/1,543,409 = 1,543,409/x
3. Step 3: Cross multiply
   1,015,642x = 1,543,409 × 1,543,409
4. Step 4: Simplify right side
   1,015,642x = 2,382,111,341,281
5. Step 5: Solve for x
   x = 2,382,111,341,281/1,015,642
6. Step 6: Final answer
   x = 2,345,424.22