Finding the Third Proportional to 485,317.50 and 1,054,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   485,317.50 : 1,054,468.50 = 1,054,468.50 : x
2. Step 2: Convert to fraction form
   485,317.50/1,054,468.50 = 1,054,468.50/x
3. Step 3: Cross multiply
   485,317.50x = 1,054,468.50 × 1,054,468.50
4. Step 4: Simplify right side
   485,317.50x = 1,111,903,817,492.25
5. Step 5: Solve for x
   x = 1,111,903,817,492.25/485,317.50
6. Step 6: Final answer
   x = 2,291,085.36