Finding the Third Proportional to 697,468 and 1,478,644

Step by Step Solution

1. Step 1: Write the proportion equation
   697,468 : 1,478,644 = 1,478,644 : x
2. Step 2: Convert to fraction form
   697,468/1,478,644 = 1,478,644/x
3. Step 3: Cross multiply
   697,468x = 1,478,644 × 1,478,644
4. Step 4: Simplify right side
   697,468x = 2,186,388,078,736
5. Step 5: Solve for x
   x = 2,186,388,078,736/697,468
6. Step 6: Final answer
   x = 3,134,750.38