Finding the Third Proportional to 13,320,768 and 28,697,200

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320,768 : 28,697,200 = 28,697,200 : x
2. Step 2: Convert to fraction form
   13,320,768/28,697,200 = 28,697,200/x
3. Step 3: Cross multiply
   13,320,768x = 28,697,200 × 28,697,200
4. Step 4: Simplify right side
   13,320,768x = 823,529,287,840,000
5. Step 5: Solve for x
   x = 823,529,287,840,000/13,320,768
6. Step 6: Final answer
   x = 61,822,958.54