Finding the Third Proportional to 3,530,169 and 7,620,210

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,169 : 7,620,210 = 7,620,210 : x
2. Step 2: Convert to fraction form
   3,530,169/7,620,210 = 7,620,210/x
3. Step 3: Cross multiply
   3,530,169x = 7,620,210 × 7,620,210
4. Step 4: Simplify right side
   3,530,169x = 58,067,600,444,100
5. Step 5: Solve for x
   x = 58,067,600,444,100/3,530,169
6. Step 6: Final answer
   x = 16,448,957.67