Finding the Third Proportional to 99,429 and 150,590

Step by Step Solution

1. Step 1: Write the proportion equation
   99,429 : 150,590 = 150,590 : x
2. Step 2: Convert to fraction form
   99,429/150,590 = 150,590/x
3. Step 3: Cross multiply
   99,429x = 150,590 × 150,590
4. Step 4: Simplify right side
   99,429x = 22,677,348,100
5. Step 5: Solve for x
   x = 22,677,348,100/99,429
6. Step 6: Final answer
   x = 228,075.79