Finding the Third Proportional to 1,553,624 and 3,323,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,624 : 3,323,120 = 3,323,120 : x
2. Step 2: Convert to fraction form
   1,553,624/3,323,120 = 3,323,120/x
3. Step 3: Cross multiply
   1,553,624x = 3,323,120 × 3,323,120
4. Step 4: Simplify right side
   1,553,624x = 11,043,126,534,400
5. Step 5: Solve for x
   x = 11,043,126,534,400/1,553,624
6. Step 6: Final answer
   x = 7,107,978.85