Finding the Third Proportional to 5,880,978 and 12,739,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,880,978 : 12,739,342.50 = 12,739,342.50 : x
2. Step 2: Convert to fraction form
   5,880,978/12,739,342.50 = 12,739,342.50/x
3. Step 3: Cross multiply
   5,880,978x = 12,739,342.50 × 12,739,342.50
4. Step 4: Simplify right side
   5,880,978x = 162,290,847,332,306.25
5. Step 5: Solve for x
   x = 162,290,847,332,306.25/5,880,978
6. Step 6: Final answer
   x = 27,595,894.31