Finding the Third Proportional to 64,155 and 154,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,155 : 154,555.50 = 154,555.50 : x
2. Step 2: Convert to fraction form
   64,155/154,555.50 = 154,555.50/x
3. Step 3: Cross multiply
   64,155x = 154,555.50 × 154,555.50
4. Step 4: Simplify right side
   64,155x = 23,887,402,580.25
5. Step 5: Solve for x
   x = 23,887,402,580.25/64,155
6. Step 6: Final answer
   x = 372,338.91