Finding the Third Proportional to 1,890,397 and 4,148,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,397 : 4,148,210 = 4,148,210 : x
2. Step 2: Convert to fraction form
   1,890,397/4,148,210 = 4,148,210/x
3. Step 3: Cross multiply
   1,890,397x = 4,148,210 × 4,148,210
4. Step 4: Simplify right side
   1,890,397x = 17,207,646,204,100
5. Step 5: Solve for x
   x = 17,207,646,204,100/1,890,397
6. Step 6: Final answer
   x = 9,102,662.67