Finding the Third Proportional to 377,058 and 813,156

Step by Step Solution

1. Step 1: Write the proportion equation
   377,058 : 813,156 = 813,156 : x
2. Step 2: Convert to fraction form
   377,058/813,156 = 813,156/x
3. Step 3: Cross multiply
   377,058x = 813,156 × 813,156
4. Step 4: Simplify right side
   377,058x = 661,222,680,336
5. Step 5: Solve for x
   x = 661,222,680,336/377,058
6. Step 6: Final answer
   x = 1,753,636.52