Finding the Third Proportional to 1,903,414 and 4,120,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,414 : 4,120,460 = 4,120,460 : x
2. Step 2: Convert to fraction form
   1,903,414/4,120,460 = 4,120,460/x
3. Step 3: Cross multiply
   1,903,414x = 4,120,460 × 4,120,460
4. Step 4: Simplify right side
   1,903,414x = 16,978,190,611,600
5. Step 5: Solve for x
   x = 16,978,190,611,600/1,903,414
6. Step 6: Final answer
   x = 8,919,862.21