Finding the Third Proportional to 1,591,342 and 3,256,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,342 : 3,256,221 = 3,256,221 : x
2. Step 2: Convert to fraction form
   1,591,342/3,256,221 = 3,256,221/x
3. Step 3: Cross multiply
   1,591,342x = 3,256,221 × 3,256,221
4. Step 4: Simplify right side
   1,591,342x = 10,602,975,200,841
5. Step 5: Solve for x
   x = 10,602,975,200,841/1,591,342
6. Step 6: Final answer
   x = 6,662,914.19