Finding the Third Proportional to 377,028 and 780,300

Step by Step Solution

1. Step 1: Write the proportion equation
   377,028 : 780,300 = 780,300 : x
2. Step 2: Convert to fraction form
   377,028/780,300 = 780,300/x
3. Step 3: Cross multiply
   377,028x = 780,300 × 780,300
4. Step 4: Simplify right side
   377,028x = 608,868,090,000
5. Step 5: Solve for x
   x = 608,868,090,000/377,028
6. Step 6: Final answer
   x = 1,614,914.78