Finding the Third Proportional to 245,828 and 534,917.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,828 : 534,917.50 = 534,917.50 : x
2. Step 2: Convert to fraction form
   245,828/534,917.50 = 534,917.50/x
3. Step 3: Cross multiply
   245,828x = 534,917.50 × 534,917.50
4. Step 4: Simplify right side
   245,828x = 286,136,731,806.25
5. Step 5: Solve for x
   x = 286,136,731,806.25/245,828
6. Step 6: Final answer
   x = 1,163,971.28