Finding the Third Proportional to 1,663,735 and 3,406,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,735 : 3,406,166 = 3,406,166 : x
2. Step 2: Convert to fraction form
   1,663,735/3,406,166 = 3,406,166/x
3. Step 3: Cross multiply
   1,663,735x = 3,406,166 × 3,406,166
4. Step 4: Simplify right side
   1,663,735x = 11,601,966,819,556
5. Step 5: Solve for x
   x = 11,601,966,819,556/1,663,735
6. Step 6: Final answer
   x = 6,973,446.38