Finding the Third Proportional to 4,152,318 and 8,925,420

Step by Step Solution

1. Step 1: Write the proportion equation
   4,152,318 : 8,925,420 = 8,925,420 : x
2. Step 2: Convert to fraction form
   4,152,318/8,925,420 = 8,925,420/x
3. Step 3: Cross multiply
   4,152,318x = 8,925,420 × 8,925,420
4. Step 4: Simplify right side
   4,152,318x = 79,663,122,176,400
5. Step 5: Solve for x
   x = 79,663,122,176,400/4,152,318
6. Step 6: Final answer
   x = 19,185,217.07