Finding the Third Proportional to 452,178 and 699,837.75

Step by Step Solution

1. Step 1: Write the proportion equation
   452,178 : 699,837.75 = 699,837.75 : x
2. Step 2: Convert to fraction form
   452,178/699,837.75 = 699,837.75/x
3. Step 3: Cross multiply
   452,178x = 699,837.75 × 699,837.75
4. Step 4: Simplify right side
   452,178x = 489,772,876,325.06
5. Step 5: Solve for x
   x = 489,772,876,325.06/452,178
6. Step 6: Final answer
   x = 1,083,141.76