Finding the Third Proportional to 851,520 and 1,419,138

Step by Step Solution

1. Step 1: Write the proportion equation
   851,520 : 1,419,138 = 1,419,138 : x
2. Step 2: Convert to fraction form
   851,520/1,419,138 = 1,419,138/x
3. Step 3: Cross multiply
   851,520x = 1,419,138 × 1,419,138
4. Step 4: Simplify right side
   851,520x = 2,013,952,663,044
5. Step 5: Solve for x
   x = 2,013,952,663,044/851,520
6. Step 6: Final answer
   x = 2,365,126.67