Finding the Third Proportional to 1,208,217 and 1,693,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,217 : 1,693,308 = 1,693,308 : x
2. Step 2: Convert to fraction form
   1,208,217/1,693,308 = 1,693,308/x
3. Step 3: Cross multiply
   1,208,217x = 1,693,308 × 1,693,308
4. Step 4: Simplify right side
   1,208,217x = 2,867,291,982,864
5. Step 5: Solve for x
   x = 2,867,291,982,864/1,208,217
6. Step 6: Final answer
   x = 2,373,159.77