Finding the Third Proportional to 270,624 and 612,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   270,624 : 612,088.50 = 612,088.50 : x
2. Step 2: Convert to fraction form
   270,624/612,088.50 = 612,088.50/x
3. Step 3: Cross multiply
   270,624x = 612,088.50 × 612,088.50
4. Step 4: Simplify right side
   270,624x = 374,652,331,832.25
5. Step 5: Solve for x
   x = 374,652,331,832.25/270,624
6. Step 6: Final answer
   x = 1,384,401.72