Finding the Third Proportional to 561,192 and 1,223,040

Step by Step Solution

1. Step 1: Write the proportion equation
   561,192 : 1,223,040 = 1,223,040 : x
2. Step 2: Convert to fraction form
   561,192/1,223,040 = 1,223,040/x
3. Step 3: Cross multiply
   561,192x = 1,223,040 × 1,223,040
4. Step 4: Simplify right side
   561,192x = 1,495,826,841,600
5. Step 5: Solve for x
   x = 1,495,826,841,600/561,192
6. Step 6: Final answer
   x = 2,665,445.77