Finding the Third Proportional to 1,312,206 and 1,968,309

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,206 : 1,968,309 = 1,968,309 : x
2. Step 2: Convert to fraction form
   1,312,206/1,968,309 = 1,968,309/x
3. Step 3: Cross multiply
   1,312,206x = 1,968,309 × 1,968,309
4. Step 4: Simplify right side
   1,312,206x = 3,874,240,319,481
5. Step 5: Solve for x
   x = 3,874,240,319,481/1,312,206
6. Step 6: Final answer
   x = 2,952,463.50