Finding the Third Proportional to 70,188 and 153,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,188 : 153,499.50 = 153,499.50 : x
2. Step 2: Convert to fraction form
   70,188/153,499.50 = 153,499.50/x
3. Step 3: Cross multiply
   70,188x = 153,499.50 × 153,499.50
4. Step 4: Simplify right side
   70,188x = 23,562,096,500.25
5. Step 5: Solve for x
   x = 23,562,096,500.25/70,188
6. Step 6: Final answer
   x = 335,699.78