Finding the Third Proportional to 1,664,317 and 3,584,999

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,317 : 3,584,999 = 3,584,999 : x
2. Step 2: Convert to fraction form
   1,664,317/3,584,999 = 3,584,999/x
3. Step 3: Cross multiply
   1,664,317x = 3,584,999 × 3,584,999
4. Step 4: Simplify right side
   1,664,317x = 12,852,217,830,001
5. Step 5: Solve for x
   x = 12,852,217,830,001/1,664,317
6. Step 6: Final answer
   x = 7,722,217.48