Finding the Third Proportional to 1,865,666 and 3,955,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,666 : 3,955,532 = 3,955,532 : x
2. Step 2: Convert to fraction form
   1,865,666/3,955,532 = 3,955,532/x
3. Step 3: Cross multiply
   1,865,666x = 3,955,532 × 3,955,532
4. Step 4: Simplify right side
   1,865,666x = 15,646,233,403,024
5. Step 5: Solve for x
   x = 15,646,233,403,024/1,865,666
6. Step 6: Final answer
   x = 8,386,406.46