Finding the Third Proportional to 10,181,838 and 21,956,920

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181,838 : 21,956,920 = 21,956,920 : x
2. Step 2: Convert to fraction form
   10,181,838/21,956,920 = 21,956,920/x
3. Step 3: Cross multiply
   10,181,838x = 21,956,920 × 21,956,920
4. Step 4: Simplify right side
   10,181,838x = 482,106,335,886,400
5. Step 5: Solve for x
   x = 482,106,335,886,400/10,181,838
6. Step 6: Final answer
   x = 47,349,637.25