Finding the Third Proportional to 1,662,194 and 3,639,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,194 : 3,639,672 = 3,639,672 : x
2. Step 2: Convert to fraction form
   1,662,194/3,639,672 = 3,639,672/x
3. Step 3: Cross multiply
   1,662,194x = 3,639,672 × 3,639,672
4. Step 4: Simplify right side
   1,662,194x = 13,247,212,267,584
5. Step 5: Solve for x
   x = 13,247,212,267,584/1,662,194
6. Step 6: Final answer
   x = 7,969,714.89