Finding the Third Proportional to 56,956.50 and 90,902.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,956.50 : 90,902.25 = 90,902.25 : x
2. Step 2: Convert to fraction form
   56,956.50/90,902.25 = 90,902.25/x
3. Step 3: Cross multiply
   56,956.50x = 90,902.25 × 90,902.25
4. Step 4: Simplify right side
   56,956.50x = 8,263,219,055.06
5. Step 5: Solve for x
   x = 8,263,219,055.06/56,956.50
6. Step 6: Final answer
   x = 145,079.47