Finding the Third Proportional to 1,662,196 and 3,590,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,196 : 3,590,216 = 3,590,216 : x
2. Step 2: Convert to fraction form
   1,662,196/3,590,216 = 3,590,216/x
3. Step 3: Cross multiply
   1,662,196x = 3,590,216 × 3,590,216
4. Step 4: Simplify right side
   1,662,196x = 12,889,650,926,656
5. Step 5: Solve for x
   x = 12,889,650,926,656/1,662,196
6. Step 6: Final answer
   x = 7,754,591.47