Finding the Third Proportional to 428,384.25 and 930,510

Step by Step Solution

1. Step 1: Write the proportion equation
   428,384.25 : 930,510 = 930,510 : x
2. Step 2: Convert to fraction form
   428,384.25/930,510 = 930,510/x
3. Step 3: Cross multiply
   428,384.25x = 930,510 × 930,510
4. Step 4: Simplify right side
   428,384.25x = 865,848,860,100
5. Step 5: Solve for x
   x = 865,848,860,100/428,384.25
6. Step 6: Final answer
   x = 2,021,196.76