Finding the Third Proportional to 2,138,689,872 and 3,403,076,112

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,689,872 : 3,403,076,112 = 3,403,076,112 : x
2. Step 2: Convert to fraction form
   2,138,689,872/3,403,076,112 = 3,403,076,112/x
3. Step 3: Cross multiply
   2,138,689,872x = 3,403,076,112 × 3,403,076,112
4. Step 4: Simplify right side
   2,138,689,872x = 11,580,927,024,065,036,288
5. Step 5: Solve for x
   x = 11,580,927,024,065,036,288/2,138,689,872
6. Step 6: Final answer
   x = 5,414,963,233.18