Finding the Third Proportional to 569,739 and 902,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   569,739 : 902,173.50 = 902,173.50 : x
2. Step 2: Convert to fraction form
   569,739/902,173.50 = 902,173.50/x
3. Step 3: Cross multiply
   569,739x = 902,173.50 × 902,173.50
4. Step 4: Simplify right side
   569,739x = 813,917,024,102.25
5. Step 5: Solve for x
   x = 813,917,024,102.25/569,739
6. Step 6: Final answer
   x = 1,428,578.74