Finding the Third Proportional to 3,859,070 and 5,672,991

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,070 : 5,672,991 = 5,672,991 : x
2. Step 2: Convert to fraction form
   3,859,070/5,672,991 = 5,672,991/x
3. Step 3: Cross multiply
   3,859,070x = 5,672,991 × 5,672,991
4. Step 4: Simplify right side
   3,859,070x = 32,182,826,886,081
5. Step 5: Solve for x
   x = 32,182,826,886,081/3,859,070
6. Step 6: Final answer
   x = 8,339,529.18