Finding the Third Proportional to 866,289 and 1,333,263

Step by Step Solution

1. Step 1: Write the proportion equation
   866,289 : 1,333,263 = 1,333,263 : x
2. Step 2: Convert to fraction form
   866,289/1,333,263 = 1,333,263/x
3. Step 3: Cross multiply
   866,289x = 1,333,263 × 1,333,263
4. Step 4: Simplify right side
   866,289x = 1,777,590,227,169
5. Step 5: Solve for x
   x = 1,777,590,227,169/866,289
6. Step 6: Final answer
   x = 2,051,959.83