Finding the Third Proportional to 3,547,507 and 7,781,723

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,507 : 7,781,723 = 7,781,723 : x
2. Step 2: Convert to fraction form
   3,547,507/7,781,723 = 7,781,723/x
3. Step 3: Cross multiply
   3,547,507x = 7,781,723 × 7,781,723
4. Step 4: Simplify right side
   3,547,507x = 60,555,212,848,729
5. Step 5: Solve for x
   x = 60,555,212,848,729/3,547,507
6. Step 6: Final answer
   x = 17,069,793.76