Finding the Third Proportional to 3,640,273 and 7,899,323

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640,273 : 7,899,323 = 7,899,323 : x
2. Step 2: Convert to fraction form
   3,640,273/7,899,323 = 7,899,323/x
3. Step 3: Cross multiply
   3,640,273x = 7,899,323 × 7,899,323
4. Step 4: Simplify right side
   3,640,273x = 62,399,303,858,329
5. Step 5: Solve for x
   x = 62,399,303,858,329/3,640,273
6. Step 6: Final answer
   x = 17,141,380.29