Finding the Third Proportional to 56,799 and 88,199.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,799 : 88,199.25 = 88,199.25 : x
2. Step 2: Convert to fraction form
   56,799/88,199.25 = 88,199.25/x
3. Step 3: Cross multiply
   56,799x = 88,199.25 × 88,199.25
4. Step 4: Simplify right side
   56,799x = 7,779,107,700.56
5. Step 5: Solve for x
   x = 7,779,107,700.56/56,799
6. Step 6: Final answer
   x = 136,958.53