Finding the Third Proportional to 2,252,890 and 4,692,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,252,890 : 4,692,188 = 4,692,188 : x
2. Step 2: Convert to fraction form
   2,252,890/4,692,188 = 4,692,188/x
3. Step 3: Cross multiply
   2,252,890x = 4,692,188 × 4,692,188
4. Step 4: Simplify right side
   2,252,890x = 22,016,628,227,344
5. Step 5: Solve for x
   x = 22,016,628,227,344/2,252,890
6. Step 6: Final answer
   x = 9,772,615.72