Finding the Third Proportional to 1,885,615 and 2,919,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885,615 : 2,919,128 = 2,919,128 : x
2. Step 2: Convert to fraction form
   1,885,615/2,919,128 = 2,919,128/x
3. Step 3: Cross multiply
   1,885,615x = 2,919,128 × 2,919,128
4. Step 4: Simplify right side
   1,885,615x = 8,521,308,280,384
5. Step 5: Solve for x
   x = 8,521,308,280,384/1,885,615
6. Step 6: Final answer
   x = 4,519,113.54