Finding the Third Proportional to 3,338,280 and 7,208,712

Step by Step Solution

1. Step 1: Write the proportion equation
   3,338,280 : 7,208,712 = 7,208,712 : x
2. Step 2: Convert to fraction form
   3,338,280/7,208,712 = 7,208,712/x
3. Step 3: Cross multiply
   3,338,280x = 7,208,712 × 7,208,712
4. Step 4: Simplify right side
   3,338,280x = 51,965,528,698,944
5. Step 5: Solve for x
   x = 51,965,528,698,944/3,338,280
6. Step 6: Final answer
   x = 15,566,557.84