Finding the Third Proportional to 1,663,692 and 3,406,217

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,692 : 3,406,217 = 3,406,217 : x
2. Step 2: Convert to fraction form
   1,663,692/3,406,217 = 3,406,217/x
3. Step 3: Cross multiply
   1,663,692x = 3,406,217 × 3,406,217
4. Step 4: Simplify right side
   1,663,692x = 11,602,314,251,089
5. Step 5: Solve for x
   x = 11,602,314,251,089/1,663,692
6. Step 6: Final answer
   x = 6,973,835.45