Finding the Third Proportional to 36,679,872 and 76,336,784

Step by Step Solution

1. Step 1: Write the proportion equation
   36,679,872 : 76,336,784 = 76,336,784 : x
2. Step 2: Convert to fraction form
   36,679,872/76,336,784 = 76,336,784/x
3. Step 3: Cross multiply
   36,679,872x = 76,336,784 × 76,336,784
4. Step 4: Simplify right side
   36,679,872x = 5,827,304,591,462,656
5. Step 5: Solve for x
   x = 5,827,304,591,462,656/36,679,872
6. Step 6: Final answer
   x = 158,869,272.81