Finding the Third Proportional to 2,919,385 and 4,648,889

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919,385 : 4,648,889 = 4,648,889 : x
2. Step 2: Convert to fraction form
   2,919,385/4,648,889 = 4,648,889/x
3. Step 3: Cross multiply
   2,919,385x = 4,648,889 × 4,648,889
4. Step 4: Simplify right side
   2,919,385x = 21,612,168,934,321
5. Step 5: Solve for x
   x = 21,612,168,934,321/2,919,385
6. Step 6: Final answer
   x = 7,402,986.91