Finding the Third Proportional to 56,799 and 87,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,799 : 87,934.50 = 87,934.50 : x
2. Step 2: Convert to fraction form
   56,799/87,934.50 = 87,934.50/x
3. Step 3: Cross multiply
   56,799x = 87,934.50 × 87,934.50
4. Step 4: Simplify right side
   56,799x = 7,732,476,290.25
5. Step 5: Solve for x
   x = 7,732,476,290.25/56,799
6. Step 6: Final answer
   x = 136,137.54