Finding the Third Proportional to 6,599,886 and 10,501,821

Step by Step Solution

1. Step 1: Write the proportion equation
   6,599,886 : 10,501,821 = 10,501,821 : x
2. Step 2: Convert to fraction form
   6,599,886/10,501,821 = 10,501,821/x
3. Step 3: Cross multiply
   6,599,886x = 10,501,821 × 10,501,821
4. Step 4: Simplify right side
   6,599,886x = 110,288,244,316,041
5. Step 5: Solve for x
   x = 110,288,244,316,041/6,599,886
6. Step 6: Final answer
   x = 16,710,628.69