Finding the Third Proportional to 4,031,146 and 8,770,840

Step by Step Solution

1. Step 1: Write the proportion equation
   4,031,146 : 8,770,840 = 8,770,840 : x
2. Step 2: Convert to fraction form
   4,031,146/8,770,840 = 8,770,840/x
3. Step 3: Cross multiply
   4,031,146x = 8,770,840 × 8,770,840
4. Step 4: Simplify right side
   4,031,146x = 76,927,634,305,600
5. Step 5: Solve for x
   x = 76,927,634,305,600/4,031,146
6. Step 6: Final answer
   x = 19,083,316.33