Finding the Third Proportional to 851,510 and 1,419,129

Step by Step Solution

1. Step 1: Write the proportion equation
   851,510 : 1,419,129 = 1,419,129 : x
2. Step 2: Convert to fraction form
   851,510/1,419,129 = 1,419,129/x
3. Step 3: Cross multiply
   851,510x = 1,419,129 × 1,419,129
4. Step 4: Simplify right side
   851,510x = 2,013,927,118,641
5. Step 5: Solve for x
   x = 2,013,927,118,641/851,510
6. Step 6: Final answer
   x = 2,365,124.45