Finding the Third Proportional to 1,296,312 and 2,028,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,312 : 2,028,900 = 2,028,900 : x
2. Step 2: Convert to fraction form
   1,296,312/2,028,900 = 2,028,900/x
3. Step 3: Cross multiply
   1,296,312x = 2,028,900 × 2,028,900
4. Step 4: Simplify right side
   1,296,312x = 4,116,435,210,000
5. Step 5: Solve for x
   x = 4,116,435,210,000/1,296,312
6. Step 6: Final answer
   x = 3,175,497.26