Finding the Third Proportional to 3,547,512 and 7,781,732

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,512 : 7,781,732 = 7,781,732 : x
2. Step 2: Convert to fraction form
   3,547,512/7,781,732 = 7,781,732/x
3. Step 3: Cross multiply
   3,547,512x = 7,781,732 × 7,781,732
4. Step 4: Simplify right side
   3,547,512x = 60,555,352,919,824
5. Step 5: Solve for x
   x = 60,555,352,919,824/3,547,512
6. Step 6: Final answer
   x = 17,069,809.18