Finding the Third Proportional to 420,943.50 and 923,377

Step by Step Solution

1. Step 1: Write the proportion equation
   420,943.50 : 923,377 = 923,377 : x
2. Step 2: Convert to fraction form
   420,943.50/923,377 = 923,377/x
3. Step 3: Cross multiply
   420,943.50x = 923,377 × 923,377
4. Step 4: Simplify right side
   420,943.50x = 852,625,084,129
5. Step 5: Solve for x
   x = 852,625,084,129/420,943.50
6. Step 6: Final answer
   x = 2,025,509.56