Finding the Third Proportional to 468,220 and 1,007,458

Step by Step Solution

1. Step 1: Write the proportion equation
   468,220 : 1,007,458 = 1,007,458 : x
2. Step 2: Convert to fraction form
   468,220/1,007,458 = 1,007,458/x
3. Step 3: Cross multiply
   468,220x = 1,007,458 × 1,007,458
4. Step 4: Simplify right side
   468,220x = 1,014,971,621,764
5. Step 5: Solve for x
   x = 1,014,971,621,764/468,220
6. Step 6: Final answer
   x = 2,167,723.77