Finding the Third Proportional to 1,636,540.88 and 3,577,802.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,540.88 : 3,577,802.06 = 3,577,802.06 : x
2. Step 2: Convert to fraction form
   1,636,540.88/3,577,802.06 = 3,577,802.06/x
3. Step 3: Cross multiply
   1,636,540.88x = 3,577,802.06 × 3,577,802.06
4. Step 4: Simplify right side
   1,636,540.88x = 12,800,667,598,429.25
5. Step 5: Solve for x
   x = 12,800,667,598,429.25/1,636,540.88
6. Step 6: Final answer
   x = 7,821,783.00