Finding the Third Proportional to 1,618,132 and 3,547,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,132 : 3,547,304 = 3,547,304 : x
2. Step 2: Convert to fraction form
   1,618,132/3,547,304 = 3,547,304/x
3. Step 3: Cross multiply
   1,618,132x = 3,547,304 × 3,547,304
4. Step 4: Simplify right side
   1,618,132x = 12,583,365,668,416
5. Step 5: Solve for x
   x = 12,583,365,668,416/1,618,132
6. Step 6: Final answer
   x = 7,776,476.62