Finding the Third Proportional to 148,113 and 229,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,113 : 229,405.50 = 229,405.50 : x
2. Step 2: Convert to fraction form
   148,113/229,405.50 = 229,405.50/x
3. Step 3: Cross multiply
   148,113x = 229,405.50 × 229,405.50
4. Step 4: Simplify right side
   148,113x = 52,626,883,430.25
5. Step 5: Solve for x
   x = 52,626,883,430.25/148,113
6. Step 6: Final answer
   x = 355,315.76