Finding the Third Proportional to 56,835 and 89,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,835 : 89,158.50 = 89,158.50 : x
2. Step 2: Convert to fraction form
   56,835/89,158.50 = 89,158.50/x
3. Step 3: Cross multiply
   56,835x = 89,158.50 × 89,158.50
4. Step 4: Simplify right side
   56,835x = 7,949,238,122.25
5. Step 5: Solve for x
   x = 7,949,238,122.25/56,835
6. Step 6: Final answer
   x = 139,865.19