Finding the Third Proportional to 3,700,872 and 5,806,890

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700,872 : 5,806,890 = 5,806,890 : x
2. Step 2: Convert to fraction form
   3,700,872/5,806,890 = 5,806,890/x
3. Step 3: Cross multiply
   3,700,872x = 5,806,890 × 5,806,890
4. Step 4: Simplify right side
   3,700,872x = 33,719,971,472,100
5. Step 5: Solve for x
   x = 33,719,971,472,100/3,700,872
6. Step 6: Final answer
   x = 9,111,358.48