Finding the Third Proportional to 609,422 and 1,410,620

Step by Step Solution

1. Step 1: Write the proportion equation
   609,422 : 1,410,620 = 1,410,620 : x
2. Step 2: Convert to fraction form
   609,422/1,410,620 = 1,410,620/x
3. Step 3: Cross multiply
   609,422x = 1,410,620 × 1,410,620
4. Step 4: Simplify right side
   609,422x = 1,989,848,784,400
5. Step 5: Solve for x
   x = 1,989,848,784,400/609,422
6. Step 6: Final answer
   x = 3,265,141.04