Finding the Third Proportional to 1,970,214 and 4,254,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,214 : 4,254,780 = 4,254,780 : x
2. Step 2: Convert to fraction form
   1,970,214/4,254,780 = 4,254,780/x
3. Step 3: Cross multiply
   1,970,214x = 4,254,780 × 4,254,780
4. Step 4: Simplify right side
   1,970,214x = 18,103,152,848,400
5. Step 5: Solve for x
   x = 18,103,152,848,400/1,970,214
6. Step 6: Final answer
   x = 9,188,419.56