Finding the Third Proportional to 989,532 and 2,118,984

Step by Step Solution

1. Step 1: Write the proportion equation
   989,532 : 2,118,984 = 2,118,984 : x
2. Step 2: Convert to fraction form
   989,532/2,118,984 = 2,118,984/x
3. Step 3: Cross multiply
   989,532x = 2,118,984 × 2,118,984
4. Step 4: Simplify right side
   989,532x = 4,490,093,192,256
5. Step 5: Solve for x
   x = 4,490,093,192,256/989,532
6. Step 6: Final answer
   x = 4,537,592.71