Finding the Third Proportional to 607,644 and 1,308,777

Step by Step Solution

1. Step 1: Write the proportion equation
   607,644 : 1,308,777 = 1,308,777 : x
2. Step 2: Convert to fraction form
   607,644/1,308,777 = 1,308,777/x
3. Step 3: Cross multiply
   607,644x = 1,308,777 × 1,308,777
4. Step 4: Simplify right side
   607,644x = 1,712,897,235,729
5. Step 5: Solve for x
   x = 1,712,897,235,729/607,644
6. Step 6: Final answer
   x = 2,818,915.74