Finding the Third Proportional to 1,966,585 and 4,323,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966,585 : 4,323,431 = 4,323,431 : x
2. Step 2: Convert to fraction form
   1,966,585/4,323,431 = 4,323,431/x
3. Step 3: Cross multiply
   1,966,585x = 4,323,431 × 4,323,431
4. Step 4: Simplify right side
   1,966,585x = 18,692,055,611,761
5. Step 5: Solve for x
   x = 18,692,055,611,761/1,966,585
6. Step 6: Final answer
   x = 9,504,829.75