Finding the Third Proportional to 1,553,619 and 3,323,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,619 : 3,323,112 = 3,323,112 : x
2. Step 2: Convert to fraction form
   1,553,619/3,323,112 = 3,323,112/x
3. Step 3: Cross multiply
   1,553,619x = 3,323,112 × 3,323,112
4. Step 4: Simplify right side
   1,553,619x = 11,043,073,364,544
5. Step 5: Solve for x
   x = 11,043,073,364,544/1,553,619
6. Step 6: Final answer
   x = 7,107,967.50