Finding the Third Proportional to 3,287,123,159.63 and 7,039,689,077.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,287,123,159.63 : 7,039,689,077.25 = 7,039,689,077.25 : x
2. Step 2: Convert to fraction form
   3,287,123,159.63/7,039,689,077.25 = 7,039,689,077.25/x
3. Step 3: Cross multiply
   3,287,123,159.63x = 7,039,689,077.25 × 7,039,689,077.25
4. Step 4: Simplify right side
   3,287,123,159.63x = 49,557,222,304,352,960,512
5. Step 5: Solve for x
   x = 49,557,222,304,352,960,512/3,287,123,159.63
6. Step 6: Final answer
   x = 15,076,168,399.48