Finding the Third Proportional to 2,685,834 and 4,164,903

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,834 : 4,164,903 = 4,164,903 : x
2. Step 2: Convert to fraction form
   2,685,834/4,164,903 = 4,164,903/x
3. Step 3: Cross multiply
   2,685,834x = 4,164,903 × 4,164,903
4. Step 4: Simplify right side
   2,685,834x = 17,346,416,999,409
5. Step 5: Solve for x
   x = 17,346,416,999,409/2,685,834
6. Step 6: Final answer
   x = 6,458,484.40