Finding the Third Proportional to 1,698,666 and 3,680,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698,666 : 3,680,724 = 3,680,724 : x
2. Step 2: Convert to fraction form
   1,698,666/3,680,724 = 3,680,724/x
3. Step 3: Cross multiply
   1,698,666x = 3,680,724 × 3,680,724
4. Step 4: Simplify right side
   1,698,666x = 13,547,729,164,176
5. Step 5: Solve for x
   x = 13,547,729,164,176/1,698,666
6. Step 6: Final answer
   x = 7,975,510.88