Finding the Third Proportional to 845,870 and 1,831,130

Step by Step Solution

1. Step 1: Write the proportion equation
   845,870 : 1,831,130 = 1,831,130 : x
2. Step 2: Convert to fraction form
   845,870/1,831,130 = 1,831,130/x
3. Step 3: Cross multiply
   845,870x = 1,831,130 × 1,831,130
4. Step 4: Simplify right side
   845,870x = 3,353,037,076,900
5. Step 5: Solve for x
   x = 3,353,037,076,900/845,870
6. Step 6: Final answer
   x = 3,964,009.93