Finding the Third Proportional to 3,775,488 and 8,214,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775,488 : 8,214,432 = 8,214,432 : x
2. Step 2: Convert to fraction form
   3,775,488/8,214,432 = 8,214,432/x
3. Step 3: Cross multiply
   3,775,488x = 8,214,432 × 8,214,432
4. Step 4: Simplify right side
   3,775,488x = 67,476,893,082,624
5. Step 5: Solve for x
   x = 67,476,893,082,624/3,775,488
6. Step 6: Final answer
   x = 17,872,363.28