Finding the Third Proportional to 864,018 and 1,146,513

Step by Step Solution

1. Step 1: Write the proportion equation
   864,018 : 1,146,513 = 1,146,513 : x
2. Step 2: Convert to fraction form
   864,018/1,146,513 = 1,146,513/x
3. Step 3: Cross multiply
   864,018x = 1,146,513 × 1,146,513
4. Step 4: Simplify right side
   864,018x = 1,314,492,059,169
5. Step 5: Solve for x
   x = 1,314,492,059,169/864,018
6. Step 6: Final answer
   x = 1,521,371.15