Finding the Third Proportional to 377,151 and 813,108

Step by Step Solution

1. Step 1: Write the proportion equation
   377,151 : 813,108 = 813,108 : x
2. Step 2: Convert to fraction form
   377,151/813,108 = 813,108/x
3. Step 3: Cross multiply
   377,151x = 813,108 × 813,108
4. Step 4: Simplify right side
   377,151x = 661,144,619,664
5. Step 5: Solve for x
   x = 661,144,619,664/377,151
6. Step 6: Final answer
   x = 1,752,997.13