Finding the Third Proportional to 12,298,521 and 28,471,680

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298,521 : 28,471,680 = 28,471,680 : x
2. Step 2: Convert to fraction form
   12,298,521/28,471,680 = 28,471,680/x
3. Step 3: Cross multiply
   12,298,521x = 28,471,680 × 28,471,680
4. Step 4: Simplify right side
   12,298,521x = 810,636,562,022,400
5. Step 5: Solve for x
   x = 810,636,562,022,400/12,298,521
6. Step 6: Final answer
   x = 65,913,337.22