Finding the Third Proportional to 1,667,478 and 3,518,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667,478 : 3,518,700 = 3,518,700 : x
2. Step 2: Convert to fraction form
   1,667,478/3,518,700 = 3,518,700/x
3. Step 3: Cross multiply
   1,667,478x = 3,518,700 × 3,518,700
4. Step 4: Simplify right side
   1,667,478x = 12,381,249,690,000
5. Step 5: Solve for x
   x = 12,381,249,690,000/1,667,478
6. Step 6: Final answer
   x = 7,425,135.26