Finding the Third Proportional to 8,858,884 and 13,666,090

Step by Step Solution

1. Step 1: Write the proportion equation
   8,858,884 : 13,666,090 = 13,666,090 : x
2. Step 2: Convert to fraction form
   8,858,884/13,666,090 = 13,666,090/x
3. Step 3: Cross multiply
   8,858,884x = 13,666,090 × 13,666,090
4. Step 4: Simplify right side
   8,858,884x = 186,762,015,888,100
5. Step 5: Solve for x
   x = 186,762,015,888,100/8,858,884
6. Step 6: Final answer
   x = 21,081,889.76