Finding the Third Proportional to 3,390,658.50 and 5,085,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,658.50 : 5,085,994.50 = 5,085,994.50 : x
2. Step 2: Convert to fraction form
   3,390,658.50/5,085,994.50 = 5,085,994.50/x
3. Step 3: Cross multiply
   3,390,658.50x = 5,085,994.50 × 5,085,994.50
4. Step 4: Simplify right side
   3,390,658.50x = 25,867,340,054,030.25
5. Step 5: Solve for x
   x = 25,867,340,054,030.25/3,390,658.50
6. Step 6: Final answer
   x = 7,629,001.88