Finding the Third Proportional to 3,165,764 and 6,443,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,165,764 : 6,443,316 = 6,443,316 : x
2. Step 2: Convert to fraction form
   3,165,764/6,443,316 = 6,443,316/x
3. Step 3: Cross multiply
   3,165,764x = 6,443,316 × 6,443,316
4. Step 4: Simplify right side
   3,165,764x = 41,516,321,075,856
5. Step 5: Solve for x
   x = 41,516,321,075,856/3,165,764
6. Step 6: Final answer
   x = 13,114,155.41