Finding the Third Proportional to 2,619,288,699 and 3,927,970,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,288,699 : 3,927,970,980 = 3,927,970,980 : x
2. Step 2: Convert to fraction form
   2,619,288,699/3,927,970,980 = 3,927,970,980/x
3. Step 3: Cross multiply
   2,619,288,699x = 3,927,970,980 × 3,927,970,980
4. Step 4: Simplify right side
   2,619,288,699x = 15,428,956,019,722,160,128
5. Step 5: Solve for x
   x = 15,428,956,019,722,160,128/2,619,288,699
6. Step 6: Final answer
   x = 5,890,513,720.62