Finding the Third Proportional to 6,015,316 and 12,989,434

Step by Step Solution

1. Step 1: Write the proportion equation
   6,015,316 : 12,989,434 = 12,989,434 : x
2. Step 2: Convert to fraction form
   6,015,316/12,989,434 = 12,989,434/x
3. Step 3: Cross multiply
   6,015,316x = 12,989,434 × 12,989,434
4. Step 4: Simplify right side
   6,015,316x = 168,725,395,640,356
5. Step 5: Solve for x
   x = 168,725,395,640,356/6,015,316
6. Step 6: Final answer
   x = 28,049,298.76