Finding the Third Proportional to 1,663,700 and 3,406,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,700 : 3,406,234 = 3,406,234 : x
2. Step 2: Convert to fraction form
   1,663,700/3,406,234 = 3,406,234/x
3. Step 3: Cross multiply
   1,663,700x = 3,406,234 × 3,406,234
4. Step 4: Simplify right side
   1,663,700x = 11,602,430,062,756
5. Step 5: Solve for x
   x = 11,602,430,062,756/1,663,700
6. Step 6: Final answer
   x = 6,973,871.53