Finding the Third Proportional to 305,955 and 430,090.88

Step by Step Solution

1. Step 1: Write the proportion equation
   305,955 : 430,090.88 = 430,090.88 : x
2. Step 2: Convert to fraction form
   305,955/430,090.88 = 430,090.88/x
3. Step 3: Cross multiply
   305,955x = 430,090.88 × 430,090.88
4. Step 4: Simplify right side
   305,955x = 184,978,160,758.27
5. Step 5: Solve for x
   x = 184,978,160,758.27/305,955
6. Step 6: Final answer
   x = 604,592.70