Finding the Third Proportional to 5,742,612 and 12,617,316

Step by Step Solution

1. Step 1: Write the proportion equation
   5,742,612 : 12,617,316 = 12,617,316 : x
2. Step 2: Convert to fraction form
   5,742,612/12,617,316 = 12,617,316/x
3. Step 3: Cross multiply
   5,742,612x = 12,617,316 × 12,617,316
4. Step 4: Simplify right side
   5,742,612x = 159,196,663,043,856
5. Step 5: Solve for x
   x = 159,196,663,043,856/5,742,612
6. Step 6: Final answer
   x = 27,721,995.33