Finding the Third Proportional to 816,141 and 1,776,840

Step by Step Solution

1. Step 1: Write the proportion equation
   816,141 : 1,776,840 = 1,776,840 : x
2. Step 2: Convert to fraction form
   816,141/1,776,840 = 1,776,840/x
3. Step 3: Cross multiply
   816,141x = 1,776,840 × 1,776,840
4. Step 4: Simplify right side
   816,141x = 3,157,160,385,600
5. Step 5: Solve for x
   x = 3,157,160,385,600/816,141
6. Step 6: Final answer
   x = 3,868,400.66