Finding the Third Proportional to 12,760,170 and 28,000,396.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760,170 : 28,000,396.50 = 28,000,396.50 : x
2. Step 2: Convert to fraction form
   12,760,170/28,000,396.50 = 28,000,396.50/x
3. Step 3: Cross multiply
   12,760,170x = 28,000,396.50 × 28,000,396.50
4. Step 4: Simplify right side
   12,760,170x = 784,022,204,157,212.25
5. Step 5: Solve for x
   x = 784,022,204,157,212.25/12,760,170
6. Step 6: Final answer
   x = 61,442,927.81