Finding the Third Proportional to 1,328,503 and 1,864,153

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,503 : 1,864,153 = 1,864,153 : x
2. Step 2: Convert to fraction form
   1,328,503/1,864,153 = 1,864,153/x
3. Step 3: Cross multiply
   1,328,503x = 1,864,153 × 1,864,153
4. Step 4: Simplify right side
   1,328,503x = 3,475,066,407,409
5. Step 5: Solve for x
   x = 3,475,066,407,409/1,328,503
6. Step 6: Final answer
   x = 2,615,776.11