Finding the Third Proportional to 158,405.63 and 243,151.88

Step by Step Solution

1. Step 1: Write the proportion equation
   158,405.63 : 243,151.88 = 243,151.88 : x
2. Step 2: Convert to fraction form
   158,405.63/243,151.88 = 243,151.88/x
3. Step 3: Cross multiply
   158,405.63x = 243,151.88 × 243,151.88
4. Step 4: Simplify right side
   158,405.63x = 59,122,834,316.02
5. Step 5: Solve for x
   x = 59,122,834,316.02/158,405.63
6. Step 6: Final answer
   x = 373,236.96