Finding the Third Proportional to 485,641.50 and 1,030,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   485,641.50 : 1,030,462.50 = 1,030,462.50 : x
2. Step 2: Convert to fraction form
   485,641.50/1,030,462.50 = 1,030,462.50/x
3. Step 3: Cross multiply
   485,641.50x = 1,030,462.50 × 1,030,462.50
4. Step 4: Simplify right side
   485,641.50x = 1,061,852,963,906.25
5. Step 5: Solve for x
   x = 1,061,852,963,906.25/485,641.50
6. Step 6: Final answer
   x = 2,186,495.52