Finding the Third Proportional to 1,663,702 and 3,406,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,702 : 3,406,216 = 3,406,216 : x
2. Step 2: Convert to fraction form
   1,663,702/3,406,216 = 3,406,216/x
3. Step 3: Cross multiply
   1,663,702x = 3,406,216 × 3,406,216
4. Step 4: Simplify right side
   1,663,702x = 11,602,307,438,656
5. Step 5: Solve for x
   x = 11,602,307,438,656/1,663,702
6. Step 6: Final answer
   x = 6,973,789.44