Finding the Third Proportional to 1,515,147 and 3,366,615

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,147 : 3,366,615 = 3,366,615 : x
2. Step 2: Convert to fraction form
   1,515,147/3,366,615 = 3,366,615/x
3. Step 3: Cross multiply
   1,515,147x = 3,366,615 × 3,366,615
4. Step 4: Simplify right side
   1,515,147x = 11,334,096,558,225
5. Step 5: Solve for x
   x = 11,334,096,558,225/1,515,147
6. Step 6: Final answer
   x = 7,480,526.02