Finding the Third Proportional to 5,516,760 and 8,610,411

Step by Step Solution

1. Step 1: Write the proportion equation
   5,516,760 : 8,610,411 = 8,610,411 : x
2. Step 2: Convert to fraction form
   5,516,760/8,610,411 = 8,610,411/x
3. Step 3: Cross multiply
   5,516,760x = 8,610,411 × 8,610,411
4. Step 4: Simplify right side
   5,516,760x = 74,139,177,588,921
5. Step 5: Solve for x
   x = 74,139,177,588,921/5,516,760
6. Step 6: Final answer
   x = 13,438,898.48