Finding the Third Proportional to 2,127,870 and 4,669,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127,870 : 4,669,164 = 4,669,164 : x
2. Step 2: Convert to fraction form
   2,127,870/4,669,164 = 4,669,164/x
3. Step 3: Cross multiply
   2,127,870x = 4,669,164 × 4,669,164
4. Step 4: Simplify right side
   2,127,870x = 21,801,092,458,896
5. Step 5: Solve for x
   x = 21,801,092,458,896/2,127,870
6. Step 6: Final answer
   x = 10,245,500.18