Finding the Third Proportional to 56,907.56 and 88,345.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,907.56 : 88,345.69 = 88,345.69 : x
2. Step 2: Convert to fraction form
   56,907.56/88,345.69 = 88,345.69/x
3. Step 3: Cross multiply
   56,907.56x = 88,345.69 × 88,345.69
4. Step 4: Simplify right side
   56,907.56x = 7,804,960,499.85
5. Step 5: Solve for x
   x = 7,804,960,499.85/56,907.56
6. Step 6: Final answer
   x = 137,151.55