Finding the Third Proportional to 777,216 and 1,832,086

Step by Step Solution

1. Step 1: Write the proportion equation
   777,216 : 1,832,086 = 1,832,086 : x
2. Step 2: Convert to fraction form
   777,216/1,832,086 = 1,832,086/x
3. Step 3: Cross multiply
   777,216x = 1,832,086 × 1,832,086
4. Step 4: Simplify right side
   777,216x = 3,356,539,111,396
5. Step 5: Solve for x
   x = 3,356,539,111,396/777,216
6. Step 6: Final answer
   x = 4,318,669.60