Finding the Third Proportional to 56,459.53 and 84,696.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,459.53 : 84,696.89 = 84,696.89 : x
2. Step 2: Convert to fraction form
   56,459.53/84,696.89 = 84,696.89/x
3. Step 3: Cross multiply
   56,459.53x = 84,696.89 × 84,696.89
4. Step 4: Simplify right side
   56,459.53x = 7,173,563,281.54
5. Step 5: Solve for x
   x = 7,173,563,281.54/56,459.53
6. Step 6: Final answer
   x = 127,056.73