Finding the Third Proportional to 1,587,984 and 3,455,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587,984 : 3,455,880 = 3,455,880 : x
2. Step 2: Convert to fraction form
   1,587,984/3,455,880 = 3,455,880/x
3. Step 3: Cross multiply
   1,587,984x = 3,455,880 × 3,455,880
4. Step 4: Simplify right side
   1,587,984x = 11,943,106,574,400
5. Step 5: Solve for x
   x = 11,943,106,574,400/1,587,984
6. Step 6: Final answer
   x = 7,520,923.75