Finding the Third Proportional to 3,590,858 and 7,679,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590,858 : 7,679,380 = 7,679,380 : x
2. Step 2: Convert to fraction form
   3,590,858/7,679,380 = 7,679,380/x
3. Step 3: Cross multiply
   3,590,858x = 7,679,380 × 7,679,380
4. Step 4: Simplify right side
   3,590,858x = 58,972,877,184,400
5. Step 5: Solve for x
   x = 58,972,877,184,400/3,590,858
6. Step 6: Final answer
   x = 16,423,060.22