Finding the Third Proportional to 13,178,864 and 28,877,152

Step by Step Solution

1. Step 1: Write the proportion equation
   13,178,864 : 28,877,152 = 28,877,152 : x
2. Step 2: Convert to fraction form
   13,178,864/28,877,152 = 28,877,152/x
3. Step 3: Cross multiply
   13,178,864x = 28,877,152 × 28,877,152
4. Step 4: Simplify right side
   13,178,864x = 833,889,907,631,104
5. Step 5: Solve for x
   x = 833,889,907,631,104/13,178,864
6. Step 6: Final answer
   x = 63,274,794.22