Finding the Third Proportional to 1,520,580 and 2,125,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,580 : 2,125,860 = 2,125,860 : x
2. Step 2: Convert to fraction form
   1,520,580/2,125,860 = 2,125,860/x
3. Step 3: Cross multiply
   1,520,580x = 2,125,860 × 2,125,860
4. Step 4: Simplify right side
   1,520,580x = 4,519,280,739,600
5. Step 5: Solve for x
   x = 4,519,280,739,600/1,520,580
6. Step 6: Final answer
   x = 2,972,076.93