Finding the Third Proportional to 13,843,538 and 21,490,865

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843,538 : 21,490,865 = 21,490,865 : x
2. Step 2: Convert to fraction form
   13,843,538/21,490,865 = 21,490,865/x
3. Step 3: Cross multiply
   13,843,538x = 21,490,865 × 21,490,865
4. Step 4: Simplify right side
   13,843,538x = 461,857,278,448,225
5. Step 5: Solve for x
   x = 461,857,278,448,225/13,843,538
6. Step 6: Final answer
   x = 33,362,661.95