Finding the Third Proportional to 1,447,982 and 2,190,657

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,982 : 2,190,657 = 2,190,657 : x
2. Step 2: Convert to fraction form
   1,447,982/2,190,657 = 2,190,657/x
3. Step 3: Cross multiply
   1,447,982x = 2,190,657 × 2,190,657
4. Step 4: Simplify right side
   1,447,982x = 4,798,978,091,649
5. Step 5: Solve for x
   x = 4,798,978,091,649/1,447,982
6. Step 6: Final answer
   x = 3,314,252.59