Finding the Third Proportional to 13,843,542 and 21,490,871

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843,542 : 21,490,871 = 21,490,871 : x
2. Step 2: Convert to fraction form
   13,843,542/21,490,871 = 21,490,871/x
3. Step 3: Cross multiply
   13,843,542x = 21,490,871 × 21,490,871
4. Step 4: Simplify right side
   13,843,542x = 461,857,536,338,641
5. Step 5: Solve for x
   x = 461,857,536,338,641/13,843,542
6. Step 6: Final answer
   x = 33,362,670.94