Finding the Third Proportional to 1,056,402 and 1,580,553

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,402 : 1,580,553 = 1,580,553 : x
2. Step 2: Convert to fraction form
   1,056,402/1,580,553 = 1,580,553/x
3. Step 3: Cross multiply
   1,056,402x = 1,580,553 × 1,580,553
4. Step 4: Simplify right side
   1,056,402x = 2,498,147,785,809
5. Step 5: Solve for x
   x = 2,498,147,785,809/1,056,402
6. Step 6: Final answer
   x = 2,364,770.03