Finding the Third Proportional to 10,861,445 and 16,402,886

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861,445 : 16,402,886 = 16,402,886 : x
2. Step 2: Convert to fraction form
   10,861,445/16,402,886 = 16,402,886/x
3. Step 3: Cross multiply
   10,861,445x = 16,402,886 × 16,402,886
4. Step 4: Simplify right side
   10,861,445x = 269,054,669,128,996
5. Step 5: Solve for x
   x = 269,054,669,128,996/10,861,445
6. Step 6: Final answer
   x = 24,771,535.38