Finding the Third Proportional to 1,663,717 and 3,406,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,717 : 3,406,248 = 3,406,248 : x
2. Step 2: Convert to fraction form
   1,663,717/3,406,248 = 3,406,248/x
3. Step 3: Cross multiply
   1,663,717x = 3,406,248 × 3,406,248
4. Step 4: Simplify right side
   1,663,717x = 11,602,525,437,504
5. Step 5: Solve for x
   x = 11,602,525,437,504/1,663,717
6. Step 6: Final answer
   x = 6,973,857.60