Finding the Third Proportional to 234,531 and 553,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   234,531 : 553,090.50 = 553,090.50 : x
2. Step 2: Convert to fraction form
   234,531/553,090.50 = 553,090.50/x
3. Step 3: Cross multiply
   234,531x = 553,090.50 × 553,090.50
4. Step 4: Simplify right side
   234,531x = 305,909,101,190.25
5. Step 5: Solve for x
   x = 305,909,101,190.25/234,531
6. Step 6: Final answer
   x = 1,304,343.99