Finding the Third Proportional to 456,943 and 990,152

Step by Step Solution

1. Step 1: Write the proportion equation
   456,943 : 990,152 = 990,152 : x
2. Step 2: Convert to fraction form
   456,943/990,152 = 990,152/x
3. Step 3: Cross multiply
   456,943x = 990,152 × 990,152
4. Step 4: Simplify right side
   456,943x = 980,400,983,104
5. Step 5: Solve for x
   x = 980,400,983,104/456,943
6. Step 6: Final answer
   x = 2,145,565.16