Finding the Third Proportional to 1,110,358 and 2,389,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110,358 : 2,389,156 = 2,389,156 : x
2. Step 2: Convert to fraction form
   1,110,358/2,389,156 = 2,389,156/x
3. Step 3: Cross multiply
   1,110,358x = 2,389,156 × 2,389,156
4. Step 4: Simplify right side
   1,110,358x = 5,708,066,392,336
5. Step 5: Solve for x
   x = 5,708,066,392,336/1,110,358
6. Step 6: Final answer
   x = 5,140,744.15