Finding the Third Proportional to 12,308,970 and 28,493,040

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308,970 : 28,493,040 = 28,493,040 : x
2. Step 2: Convert to fraction form
   12,308,970/28,493,040 = 28,493,040/x
3. Step 3: Cross multiply
   12,308,970x = 28,493,040 × 28,493,040
4. Step 4: Simplify right side
   12,308,970x = 811,853,328,441,600
5. Step 5: Solve for x
   x = 811,853,328,441,600/12,308,970
6. Step 6: Final answer
   x = 65,956,235.85