Finding the Third Proportional to 2,129,316 and 3,216,162

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,316 : 3,216,162 = 3,216,162 : x
2. Step 2: Convert to fraction form
   2,129,316/3,216,162 = 3,216,162/x
3. Step 3: Cross multiply
   2,129,316x = 3,216,162 × 3,216,162
4. Step 4: Simplify right side
   2,129,316x = 10,343,698,010,244
5. Step 5: Solve for x
   x = 10,343,698,010,244/2,129,316
6. Step 6: Final answer
   x = 4,857,756.20