Finding the Third Proportional to 3,547,449 and 7,781,607

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,449 : 7,781,607 = 7,781,607 : x
2. Step 2: Convert to fraction form
   3,547,449/7,781,607 = 7,781,607/x
3. Step 3: Cross multiply
   3,547,449x = 7,781,607 × 7,781,607
4. Step 4: Simplify right side
   3,547,449x = 60,553,407,502,449
5. Step 5: Solve for x
   x = 60,553,407,502,449/3,547,449
6. Step 6: Final answer
   x = 17,069,563.93