Finding the Third Proportional to 5,147,582 and 10,979,146

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147,582 : 10,979,146 = 10,979,146 : x
2. Step 2: Convert to fraction form
   5,147,582/10,979,146 = 10,979,146/x
3. Step 3: Cross multiply
   5,147,582x = 10,979,146 × 10,979,146
4. Step 4: Simplify right side
   5,147,582x = 120,541,646,889,316
5. Step 5: Solve for x
   x = 120,541,646,889,316/5,147,582
6. Step 6: Final answer
   x = 23,417,139.72