Finding the Third Proportional to 673,438 and 1,453,700

Step by Step Solution

1. Step 1: Write the proportion equation
   673,438 : 1,453,700 = 1,453,700 : x
2. Step 2: Convert to fraction form
   673,438/1,453,700 = 1,453,700/x
3. Step 3: Cross multiply
   673,438x = 1,453,700 × 1,453,700
4. Step 4: Simplify right side
   673,438x = 2,113,243,690,000
5. Step 5: Solve for x
   x = 2,113,243,690,000/673,438
6. Step 6: Final answer
   x = 3,137,992.94