Finding the Third Proportional to 2,068,857 and 3,210,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,857 : 3,210,907.50 = 3,210,907.50 : x
2. Step 2: Convert to fraction form
   2,068,857/3,210,907.50 = 3,210,907.50/x
3. Step 3: Cross multiply
   2,068,857x = 3,210,907.50 × 3,210,907.50
4. Step 4: Simplify right side
   2,068,857x = 10,309,926,973,556.25
5. Step 5: Solve for x
   x = 10,309,926,973,556.25/2,068,857
6. Step 6: Final answer
   x = 4,983,392.75