Finding the Third Proportional to 1,573,128 and 2,405,538

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573,128 : 2,405,538 = 2,405,538 : x
2. Step 2: Convert to fraction form
   1,573,128/2,405,538 = 2,405,538/x
3. Step 3: Cross multiply
   1,573,128x = 2,405,538 × 2,405,538
4. Step 4: Simplify right side
   1,573,128x = 5,786,613,069,444
5. Step 5: Solve for x
   x = 5,786,613,069,444/1,573,128
6. Step 6: Final answer
   x = 3,678,412.10