Finding the Third Proportional to 1,860,521 and 4,006,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860,521 : 4,006,086 = 4,006,086 : x
2. Step 2: Convert to fraction form
   1,860,521/4,006,086 = 4,006,086/x
3. Step 3: Cross multiply
   1,860,521x = 4,006,086 × 4,006,086
4. Step 4: Simplify right side
   1,860,521x = 16,048,725,039,396
5. Step 5: Solve for x
   x = 16,048,725,039,396/1,860,521
6. Step 6: Final answer
   x = 8,625,930.61