Finding the Third Proportional to 509,962.50 and 750,060

Step by Step Solution

1. Step 1: Write the proportion equation
   509,962.50 : 750,060 = 750,060 : x
2. Step 2: Convert to fraction form
   509,962.50/750,060 = 750,060/x
3. Step 3: Cross multiply
   509,962.50x = 750,060 × 750,060
4. Step 4: Simplify right side
   509,962.50x = 562,590,003,600
5. Step 5: Solve for x
   x = 562,590,003,600/509,962.50
6. Step 6: Final answer
   x = 1,103,198.77