Finding the Third Proportional to 5,666,318 and 8,546,916

Step by Step Solution

1. Step 1: Write the proportion equation
   5,666,318 : 8,546,916 = 8,546,916 : x
2. Step 2: Convert to fraction form
   5,666,318/8,546,916 = 8,546,916/x
3. Step 3: Cross multiply
   5,666,318x = 8,546,916 × 8,546,916
4. Step 4: Simplify right side
   5,666,318x = 73,049,773,111,056
5. Step 5: Solve for x
   x = 73,049,773,111,056/5,666,318
6. Step 6: Final answer
   x = 12,891,929.66