Finding the Third Proportional to 56,153.25 and 84,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,153.25 : 84,814.50 = 84,814.50 : x
2. Step 2: Convert to fraction form
   56,153.25/84,814.50 = 84,814.50/x
3. Step 3: Cross multiply
   56,153.25x = 84,814.50 × 84,814.50
4. Step 4: Simplify right side
   56,153.25x = 7,193,499,410.25
5. Step 5: Solve for x
   x = 7,193,499,410.25/56,153.25
6. Step 6: Final answer
   x = 128,104.77