Finding the Third Proportional to 4,021,368 and 8,322,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,021,368 : 8,322,672 = 8,322,672 : x
2. Step 2: Convert to fraction form
   4,021,368/8,322,672 = 8,322,672/x
3. Step 3: Cross multiply
   4,021,368x = 8,322,672 × 8,322,672
4. Step 4: Simplify right side
   4,021,368x = 69,266,869,219,584
5. Step 5: Solve for x
   x = 69,266,869,219,584/4,021,368
6. Step 6: Final answer
   x = 17,224,702.94