Finding the Third Proportional to 672,672 and 1,447,392

Step by Step Solution

1. Step 1: Write the proportion equation
   672,672 : 1,447,392 = 1,447,392 : x
2. Step 2: Convert to fraction form
   672,672/1,447,392 = 1,447,392/x
3. Step 3: Cross multiply
   672,672x = 1,447,392 × 1,447,392
4. Step 4: Simplify right side
   672,672x = 2,094,943,601,664
5. Step 5: Solve for x
   x = 2,094,943,601,664/672,672
6. Step 6: Final answer
   x = 3,114,361.24