Finding the Third Proportional to 420,837.75 and 652,968

Step by Step Solution

1. Step 1: Write the proportion equation
   420,837.75 : 652,968 = 652,968 : x
2. Step 2: Convert to fraction form
   420,837.75/652,968 = 652,968/x
3. Step 3: Cross multiply
   420,837.75x = 652,968 × 652,968
4. Step 4: Simplify right side
   420,837.75x = 426,367,209,024
5. Step 5: Solve for x
   x = 426,367,209,024/420,837.75
6. Step 6: Final answer
   x = 1,013,139.17