Finding the Third Proportional to 420,279 and 933,870

Step by Step Solution

1. Step 1: Write the proportion equation
   420,279 : 933,870 = 933,870 : x
2. Step 2: Convert to fraction form
   420,279/933,870 = 933,870/x
3. Step 3: Cross multiply
   420,279x = 933,870 × 933,870
4. Step 4: Simplify right side
   420,279x = 872,113,176,900
5. Step 5: Solve for x
   x = 872,113,176,900/420,279
6. Step 6: Final answer
   x = 2,075,081.50