Finding the Third Proportional to 1,987,784 and 2,648,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,784 : 2,648,364 = 2,648,364 : x
2. Step 2: Convert to fraction form
   1,987,784/2,648,364 = 2,648,364/x
3. Step 3: Cross multiply
   1,987,784x = 2,648,364 × 2,648,364
4. Step 4: Simplify right side
   1,987,784x = 7,013,831,876,496
5. Step 5: Solve for x
   x = 7,013,831,876,496/1,987,784
6. Step 6: Final answer
   x = 3,528,467.82