Finding the Third Proportional to 3,134,916 and 4,690,215

Step by Step Solution

1. Step 1: Write the proportion equation
   3,134,916 : 4,690,215 = 4,690,215 : x
2. Step 2: Convert to fraction form
   3,134,916/4,690,215 = 4,690,215/x
3. Step 3: Cross multiply
   3,134,916x = 4,690,215 × 4,690,215
4. Step 4: Simplify right side
   3,134,916x = 21,998,116,746,225
5. Step 5: Solve for x
   x = 21,998,116,746,225/3,134,916
6. Step 6: Final answer
   x = 7,017,131.16