Finding the Third Proportional to 609,075 and 851,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   609,075 : 851,498.50 = 851,498.50 : x
2. Step 2: Convert to fraction form
   609,075/851,498.50 = 851,498.50/x
3. Step 3: Cross multiply
   609,075x = 851,498.50 × 851,498.50
4. Step 4: Simplify right side
   609,075x = 725,049,695,502.25
5. Step 5: Solve for x
   x = 725,049,695,502.25/609,075
6. Step 6: Final answer
   x = 1,190,411.19