Finding the Third Proportional to 3,337,550 and 7,178,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337,550 : 7,178,272 = 7,178,272 : x
2. Step 2: Convert to fraction form
   3,337,550/7,178,272 = 7,178,272/x
3. Step 3: Cross multiply
   3,337,550x = 7,178,272 × 7,178,272
4. Step 4: Simplify right side
   3,337,550x = 51,527,588,905,984
5. Step 5: Solve for x
   x = 51,527,588,905,984/3,337,550
6. Step 6: Final answer
   x = 15,438,746.66