Finding the Third Proportional to 1,986,248 and 4,210,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,248 : 4,210,828 = 4,210,828 : x
2. Step 2: Convert to fraction form
   1,986,248/4,210,828 = 4,210,828/x
3. Step 3: Cross multiply
   1,986,248x = 4,210,828 × 4,210,828
4. Step 4: Simplify right side
   1,986,248x = 17,731,072,445,584
5. Step 5: Solve for x
   x = 17,731,072,445,584/1,986,248
6. Step 6: Final answer
   x = 8,926,917.71