Finding the Third Proportional to 1,825,580 and 4,070,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825,580 : 4,070,920 = 4,070,920 : x
2. Step 2: Convert to fraction form
   1,825,580/4,070,920 = 4,070,920/x
3. Step 3: Cross multiply
   1,825,580x = 4,070,920 × 4,070,920
4. Step 4: Simplify right side
   1,825,580x = 16,572,389,646,400
5. Step 5: Solve for x
   x = 16,572,389,646,400/1,825,580
6. Step 6: Final answer
   x = 9,077,876.43