Finding the Third Proportional to 68,533.50 and 102,799.88

Step by Step Solution

1. Step 1: Write the proportion equation
   68,533.50 : 102,799.88 = 102,799.88 : x
2. Step 2: Convert to fraction form
   68,533.50/102,799.88 = 102,799.88/x
3. Step 3: Cross multiply
   68,533.50x = 102,799.88 × 102,799.88
4. Step 4: Simplify right side
   68,533.50x = 10,567,814,300.02
5. Step 5: Solve for x
   x = 10,567,814,300.02/68,533.50
6. Step 6: Final answer
   x = 154,199.25