Finding the Third Proportional to 231,670.50 and 369,988

Step by Step Solution

1. Step 1: Write the proportion equation
   231,670.50 : 369,988 = 369,988 : x
2. Step 2: Convert to fraction form
   231,670.50/369,988 = 369,988/x
3. Step 3: Cross multiply
   231,670.50x = 369,988 × 369,988
4. Step 4: Simplify right side
   231,670.50x = 136,891,120,144
5. Step 5: Solve for x
   x = 136,891,120,144/231,670.50
6. Step 6: Final answer
   x = 590,887.14