Finding the Third Proportional to 56,145.75 and 84,445.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,145.75 : 84,445.88 = 84,445.88 : x
2. Step 2: Convert to fraction form
   56,145.75/84,445.88 = 84,445.88/x
3. Step 3: Cross multiply
   56,145.75x = 84,445.88 × 84,445.88
4. Step 4: Simplify right side
   56,145.75x = 7,131,105,804.52
5. Step 5: Solve for x
   x = 7,131,105,804.52/56,145.75
6. Step 6: Final answer
   x = 127,010.61