Finding the Third Proportional to 6,015,369 and 12,989,616

Step by Step Solution

1. Step 1: Write the proportion equation
   6,015,369 : 12,989,616 = 12,989,616 : x
2. Step 2: Convert to fraction form
   6,015,369/12,989,616 = 12,989,616/x
3. Step 3: Cross multiply
   6,015,369x = 12,989,616 × 12,989,616
4. Step 4: Simplify right side
   6,015,369x = 168,730,123,827,456
5. Step 5: Solve for x
   x = 168,730,123,827,456/6,015,369
6. Step 6: Final answer
   x = 28,049,837.65