Finding the Third Proportional to 2,989,632 and 7,018,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989,632 : 7,018,636.50 = 7,018,636.50 : x
2. Step 2: Convert to fraction form
   2,989,632/7,018,636.50 = 7,018,636.50/x
3. Step 3: Cross multiply
   2,989,632x = 7,018,636.50 × 7,018,636.50
4. Step 4: Simplify right side
   2,989,632x = 49,261,258,319,132.25
5. Step 5: Solve for x
   x = 49,261,258,319,132.25/2,989,632
6. Step 6: Final answer
   x = 16,477,365.21