Finding the Third Proportional to 910,634 and 1,978,733

Step by Step Solution

1. Step 1: Write the proportion equation
   910,634 : 1,978,733 = 1,978,733 : x
2. Step 2: Convert to fraction form
   910,634/1,978,733 = 1,978,733/x
3. Step 3: Cross multiply
   910,634x = 1,978,733 × 1,978,733
4. Step 4: Simplify right side
   910,634x = 3,915,384,285,289
5. Step 5: Solve for x
   x = 3,915,384,285,289/910,634
6. Step 6: Final answer
   x = 4,299,624.53