Finding the Third Proportional to 387,300 and 835,776

Step by Step Solution

1. Step 1: Write the proportion equation
   387,300 : 835,776 = 835,776 : x
2. Step 2: Convert to fraction form
   387,300/835,776 = 835,776/x
3. Step 3: Cross multiply
   387,300x = 835,776 × 835,776
4. Step 4: Simplify right side
   387,300x = 698,521,522,176
5. Step 5: Solve for x
   x = 698,521,522,176/387,300
6. Step 6: Final answer
   x = 1,803,567.06