Finding the Third Proportional to 5,920,219 and 12,947,609

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920,219 : 12,947,609 = 12,947,609 : x
2. Step 2: Convert to fraction form
   5,920,219/12,947,609 = 12,947,609/x
3. Step 3: Cross multiply
   5,920,219x = 12,947,609 × 12,947,609
4. Step 4: Simplify right side
   5,920,219x = 167,640,578,816,881
5. Step 5: Solve for x
   x = 167,640,578,816,881/5,920,219
6. Step 6: Final answer
   x = 28,316,617.82