Finding the Third Proportional to 519,916 and 1,117,208

Step by Step Solution

1. Step 1: Write the proportion equation
   519,916 : 1,117,208 = 1,117,208 : x
2. Step 2: Convert to fraction form
   519,916/1,117,208 = 1,117,208/x
3. Step 3: Cross multiply
   519,916x = 1,117,208 × 1,117,208
4. Step 4: Simplify right side
   519,916x = 1,248,153,715,264
5. Step 5: Solve for x
   x = 1,248,153,715,264/519,916
6. Step 6: Final answer
   x = 2,400,683.41