Finding the Third Proportional to 56,929 and 90,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,929 : 90,945.50 = 90,945.50 : x
2. Step 2: Convert to fraction form
   56,929/90,945.50 = 90,945.50/x
3. Step 3: Cross multiply
   56,929x = 90,945.50 × 90,945.50
4. Step 4: Simplify right side
   56,929x = 8,271,083,970.25
5. Step 5: Solve for x
   x = 8,271,083,970.25/56,929
6. Step 6: Final answer
   x = 145,287.71