Finding the Third Proportional to 1,242,864 and 1,964,943

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,864 : 1,964,943 = 1,964,943 : x
2. Step 2: Convert to fraction form
   1,242,864/1,964,943 = 1,964,943/x
3. Step 3: Cross multiply
   1,242,864x = 1,964,943 × 1,964,943
4. Step 4: Simplify right side
   1,242,864x = 3,861,000,993,249
5. Step 5: Solve for x
   x = 3,861,000,993,249/1,242,864
6. Step 6: Final answer
   x = 3,106,535.38