Finding the Third Proportional to 509,100 and 754,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   509,100 : 754,843.50 = 754,843.50 : x
2. Step 2: Convert to fraction form
   509,100/754,843.50 = 754,843.50/x
3. Step 3: Cross multiply
   509,100x = 754,843.50 × 754,843.50
4. Step 4: Simplify right side
   509,100x = 569,788,709,492.25
5. Step 5: Solve for x
   x = 569,788,709,492.25/509,100
6. Step 6: Final answer
   x = 1,119,207.84