Finding the Third Proportional to 1,663,229 and 3,606,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,229 : 3,606,178 = 3,606,178 : x
2. Step 2: Convert to fraction form
   1,663,229/3,606,178 = 3,606,178/x
3. Step 3: Cross multiply
   1,663,229x = 3,606,178 × 3,606,178
4. Step 4: Simplify right side
   1,663,229x = 13,004,519,767,684
5. Step 5: Solve for x
   x = 13,004,519,767,684/1,663,229
6. Step 6: Final answer
   x = 7,818,839.00