Finding the Third Proportional to 929,128 and 1,969,902

Step by Step Solution

1. Step 1: Write the proportion equation
   929,128 : 1,969,902 = 1,969,902 : x
2. Step 2: Convert to fraction form
   929,128/1,969,902 = 1,969,902/x
3. Step 3: Cross multiply
   929,128x = 1,969,902 × 1,969,902
4. Step 4: Simplify right side
   929,128x = 3,880,513,889,604
5. Step 5: Solve for x
   x = 3,880,513,889,604/929,128
6. Step 6: Final answer
   x = 4,176,511.62