Finding the Third Proportional to 56,160 and 122,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,160 : 122,870.25 = 122,870.25 : x
2. Step 2: Convert to fraction form
   56,160/122,870.25 = 122,870.25/x
3. Step 3: Cross multiply
   56,160x = 122,870.25 × 122,870.25
4. Step 4: Simplify right side
   56,160x = 15,097,098,335.06
5. Step 5: Solve for x
   x = 15,097,098,335.06/56,160
6. Step 6: Final answer
   x = 268,822.98