Finding the Third Proportional to 3,547,516 and 7,781,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,516 : 7,781,740 = 7,781,740 : x
2. Step 2: Convert to fraction form
   3,547,516/7,781,740 = 7,781,740/x
3. Step 3: Cross multiply
   3,547,516x = 7,781,740 × 7,781,740
4. Step 4: Simplify right side
   3,547,516x = 60,555,477,427,600
5. Step 5: Solve for x
   x = 60,555,477,427,600/3,547,516
6. Step 6: Final answer
   x = 17,069,825.03