Finding the Third Proportional to 416,880 and 910,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,880 : 910,030.50 = 910,030.50 : x
2. Step 2: Convert to fraction form
   416,880/910,030.50 = 910,030.50/x
3. Step 3: Cross multiply
   416,880x = 910,030.50 × 910,030.50
4. Step 4: Simplify right side
   416,880x = 828,155,510,930.25
5. Step 5: Solve for x
   x = 828,155,510,930.25/416,880
6. Step 6: Final answer
   x = 1,986,556.11