Finding the Third Proportional to 1,608,554 and 3,535,911

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608,554 : 3,535,911 = 3,535,911 : x
2. Step 2: Convert to fraction form
   1,608,554/3,535,911 = 3,535,911/x
3. Step 3: Cross multiply
   1,608,554x = 3,535,911 × 3,535,911
4. Step 4: Simplify right side
   1,608,554x = 12,502,666,599,921
5. Step 5: Solve for x
   x = 12,502,666,599,921/1,608,554
6. Step 6: Final answer
   x = 7,772,612.30