Finding the Third Proportional to 2,919,906 and 6,243,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919,906 : 6,243,340 = 6,243,340 : x
2. Step 2: Convert to fraction form
   2,919,906/6,243,340 = 6,243,340/x
3. Step 3: Cross multiply
   2,919,906x = 6,243,340 × 6,243,340
4. Step 4: Simplify right side
   2,919,906x = 38,979,294,355,600
5. Step 5: Solve for x
   x = 38,979,294,355,600/2,919,906
6. Step 6: Final answer
   x = 13,349,503.15