Finding the Third Proportional to 842,148 and 1,870,920

Step by Step Solution

1. Step 1: Write the proportion equation
   842,148 : 1,870,920 = 1,870,920 : x
2. Step 2: Convert to fraction form
   842,148/1,870,920 = 1,870,920/x
3. Step 3: Cross multiply
   842,148x = 1,870,920 × 1,870,920
4. Step 4: Simplify right side
   842,148x = 3,500,341,646,400
5. Step 5: Solve for x
   x = 3,500,341,646,400/842,148
6. Step 6: Final answer
   x = 4,156,444.77