Finding the Third Proportional to 1,870,047 and 4,370,031

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,047 : 4,370,031 = 4,370,031 : x
2. Step 2: Convert to fraction form
   1,870,047/4,370,031 = 4,370,031/x
3. Step 3: Cross multiply
   1,870,047x = 4,370,031 × 4,370,031
4. Step 4: Simplify right side
   1,870,047x = 19,097,170,940,961
5. Step 5: Solve for x
   x = 19,097,170,940,961/1,870,047
6. Step 6: Final answer
   x = 10,212,134.21