Finding the Third Proportional to 3,557,349 and 7,910,550

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,349 : 7,910,550 = 7,910,550 : x
2. Step 2: Convert to fraction form
   3,557,349/7,910,550 = 7,910,550/x
3. Step 3: Cross multiply
   3,557,349x = 7,910,550 × 7,910,550
4. Step 4: Simplify right side
   3,557,349x = 62,576,801,302,500
5. Step 5: Solve for x
   x = 62,576,801,302,500/3,557,349
6. Step 6: Final answer
   x = 17,590,852.43