Finding the Third Proportional to 3,391,320 and 7,371,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391,320 : 7,371,672 = 7,371,672 : x
2. Step 2: Convert to fraction form
   3,391,320/7,371,672 = 7,371,672/x
3. Step 3: Cross multiply
   3,391,320x = 7,371,672 × 7,371,672
4. Step 4: Simplify right side
   3,391,320x = 54,341,548,075,584
5. Step 5: Solve for x
   x = 54,341,548,075,584/3,391,320
6. Step 6: Final answer
   x = 16,023,715.86