Finding the Third Proportional to 1,945,196 and 4,226,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,196 : 4,226,778 = 4,226,778 : x
2. Step 2: Convert to fraction form
   1,945,196/4,226,778 = 4,226,778/x
3. Step 3: Cross multiply
   1,945,196x = 4,226,778 × 4,226,778
4. Step 4: Simplify right side
   1,945,196x = 17,865,652,261,284
5. Step 5: Solve for x
   x = 17,865,652,261,284/1,945,196
6. Step 6: Final answer
   x = 9,184,499.79