Finding the Third Proportional to 1,631,620 and 3,499,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,620 : 3,499,430 = 3,499,430 : x
2. Step 2: Convert to fraction form
   1,631,620/3,499,430 = 3,499,430/x
3. Step 3: Cross multiply
   1,631,620x = 3,499,430 × 3,499,430
4. Step 4: Simplify right side
   1,631,620x = 12,246,010,324,900
5. Step 5: Solve for x
   x = 12,246,010,324,900/1,631,620
6. Step 6: Final answer
   x = 7,505,430.39