Finding the Third Proportional to 1,663,756 and 3,406,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,756 : 3,406,208 = 3,406,208 : x
2. Step 2: Convert to fraction form
   1,663,756/3,406,208 = 3,406,208/x
3. Step 3: Cross multiply
   1,663,756x = 3,406,208 × 3,406,208
4. Step 4: Simplify right side
   1,663,756x = 11,602,252,939,264
5. Step 5: Solve for x
   x = 11,602,252,939,264/1,663,756
6. Step 6: Final answer
   x = 6,973,530.34