Finding the Third Proportional to 1,919,572 and 4,443,922

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,572 : 4,443,922 = 4,443,922 : x
2. Step 2: Convert to fraction form
   1,919,572/4,443,922 = 4,443,922/x
3. Step 3: Cross multiply
   1,919,572x = 4,443,922 × 4,443,922
4. Step 4: Simplify right side
   1,919,572x = 19,748,442,742,084
5. Step 5: Solve for x
   x = 19,748,442,742,084/1,919,572
6. Step 6: Final answer
   x = 10,287,940.61