Finding the Third Proportional to 1,986,246 and 4,210,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,246 : 4,210,824 = 4,210,824 : x
2. Step 2: Convert to fraction form
   1,986,246/4,210,824 = 4,210,824/x
3. Step 3: Cross multiply
   1,986,246x = 4,210,824 × 4,210,824
4. Step 4: Simplify right side
   1,986,246x = 17,731,038,758,976
5. Step 5: Solve for x
   x = 17,731,038,758,976/1,986,246
6. Step 6: Final answer
   x = 8,926,909.74