Finding the Third Proportional to 2,129,105,219 and 4,659,577,975

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,105,219 : 4,659,577,975 = 4,659,577,975 : x
2. Step 2: Convert to fraction form
   2,129,105,219/4,659,577,975 = 4,659,577,975/x
3. Step 3: Cross multiply
   2,129,105,219x = 4,659,577,975 × 4,659,577,975
4. Step 4: Simplify right side
   2,129,105,219x = 21,711,666,905,105,100,800
5. Step 5: Solve for x
   x = 21,711,666,905,105,100,800/2,129,105,219
6. Step 6: Final answer
   x = 10,197,554,686.99