Finding the Third Proportional to 1,660,866 and 3,597,207

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660,866 : 3,597,207 = 3,597,207 : x
2. Step 2: Convert to fraction form
   1,660,866/3,597,207 = 3,597,207/x
3. Step 3: Cross multiply
   1,660,866x = 3,597,207 × 3,597,207
4. Step 4: Simplify right side
   1,660,866x = 12,939,898,200,849
5. Step 5: Solve for x
   x = 12,939,898,200,849/1,660,866
6. Step 6: Final answer
   x = 7,791,054.91