Finding the Third Proportional to 290,250 and 437,076

Step by Step Solution

1. Step 1: Write the proportion equation
   290,250 : 437,076 = 437,076 : x
2. Step 2: Convert to fraction form
   290,250/437,076 = 437,076/x
3. Step 3: Cross multiply
   290,250x = 437,076 × 437,076
4. Step 4: Simplify right side
   290,250x = 191,035,429,776
5. Step 5: Solve for x
   x = 191,035,429,776/290,250
6. Step 6: Final answer
   x = 658,175.47