Finding the Third Proportional to 38,679,976.69 and 58,518,259.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,679,976.69 : 58,518,259.31 = 58,518,259.31 : x
2. Step 2: Convert to fraction form
   38,679,976.69/58,518,259.31 = 58,518,259.31/x
3. Step 3: Cross multiply
   38,679,976.69x = 58,518,259.31 × 58,518,259.31
4. Step 4: Simplify right side
   38,679,976.69x = 3,424,386,672,964,993
5. Step 5: Solve for x
   x = 3,424,386,672,964,993/38,679,976.69
6. Step 6: Final answer
   x = 88,531,249.66