Finding the Third Proportional to 56,912 and 124,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,912 : 124,664.50 = 124,664.50 : x
2. Step 2: Convert to fraction form
   56,912/124,664.50 = 124,664.50/x
3. Step 3: Cross multiply
   56,912x = 124,664.50 × 124,664.50
4. Step 4: Simplify right side
   56,912x = 15,541,237,560.25
5. Step 5: Solve for x
   x = 15,541,237,560.25/56,912
6. Step 6: Final answer
   x = 273,074.88