Finding the Third Proportional to 377,028 and 780,298

Step by Step Solution

1. Step 1: Write the proportion equation
   377,028 : 780,298 = 780,298 : x
2. Step 2: Convert to fraction form
   377,028/780,298 = 780,298/x
3. Step 3: Cross multiply
   377,028x = 780,298 × 780,298
4. Step 4: Simplify right side
   377,028x = 608,864,968,804
5. Step 5: Solve for x
   x = 608,864,968,804/377,028
6. Step 6: Final answer
   x = 1,614,906.50