Finding the Third Proportional to 1,663,734 and 3,406,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,734 : 3,406,164 = 3,406,164 : x
2. Step 2: Convert to fraction form
   1,663,734/3,406,164 = 3,406,164/x
3. Step 3: Cross multiply
   1,663,734x = 3,406,164 × 3,406,164
4. Step 4: Simplify right side
   1,663,734x = 11,601,953,194,896
5. Step 5: Solve for x
   x = 11,601,953,194,896/1,663,734
6. Step 6: Final answer
   x = 6,973,442.39