Finding the Third Proportional to 1,677,560 and 3,590,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677,560 : 3,590,220 = 3,590,220 : x
2. Step 2: Convert to fraction form
   1,677,560/3,590,220 = 3,590,220/x
3. Step 3: Cross multiply
   1,677,560x = 3,590,220 × 3,590,220
4. Step 4: Simplify right side
   1,677,560x = 12,889,679,648,400
5. Step 5: Solve for x
   x = 12,889,679,648,400/1,677,560
6. Step 6: Final answer
   x = 7,683,587.86