Finding the Third Proportional to 5,279,679 and 12,714,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,279,679 : 12,714,853.50 = 12,714,853.50 : x
2. Step 2: Convert to fraction form
   5,279,679/12,714,853.50 = 12,714,853.50/x
3. Step 3: Cross multiply
   5,279,679x = 12,714,853.50 × 12,714,853.50
4. Step 4: Simplify right side
   5,279,679x = 161,667,499,526,462.25
5. Step 5: Solve for x
   x = 161,667,499,526,462.25/5,279,679
6. Step 6: Final answer
   x = 30,620,706.21