Finding the Third Proportional to 21,917,200 and 34,905,328

Step by Step Solution

1. Step 1: Write the proportion equation
   21,917,200 : 34,905,328 = 34,905,328 : x
2. Step 2: Convert to fraction form
   21,917,200/34,905,328 = 34,905,328/x
3. Step 3: Cross multiply
   21,917,200x = 34,905,328 × 34,905,328
4. Step 4: Simplify right side
   21,917,200x = 1,218,381,922,787,584
5. Step 5: Solve for x
   x = 1,218,381,922,787,584/21,917,200
6. Step 6: Final answer
   x = 55,590,217.86