Finding the Third Proportional to 3,537,116 and 7,578,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,537,116 : 7,578,520 = 7,578,520 : x
2. Step 2: Convert to fraction form
   3,537,116/7,578,520 = 7,578,520/x
3. Step 3: Cross multiply
   3,537,116x = 7,578,520 × 7,578,520
4. Step 4: Simplify right side
   3,537,116x = 57,433,965,390,400
5. Step 5: Solve for x
   x = 57,433,965,390,400/3,537,116
6. Step 6: Final answer
   x = 16,237,512.54