Finding the Third Proportional to 420,957 and 930,507.75

Step by Step Solution

1. Step 1: Write the proportion equation
   420,957 : 930,507.75 = 930,507.75 : x
2. Step 2: Convert to fraction form
   420,957/930,507.75 = 930,507.75/x
3. Step 3: Cross multiply
   420,957x = 930,507.75 × 930,507.75
4. Step 4: Simplify right side
   420,957x = 865,844,672,810.06
5. Step 5: Solve for x
   x = 865,844,672,810.06/420,957
6. Step 6: Final answer
   x = 2,056,848.26