Finding the Third Proportional to 460,012.50 and 990,009

Step by Step Solution

1. Step 1: Write the proportion equation
   460,012.50 : 990,009 = 990,009 : x
2. Step 2: Convert to fraction form
   460,012.50/990,009 = 990,009/x
3. Step 3: Cross multiply
   460,012.50x = 990,009 × 990,009
4. Step 4: Simplify right side
   460,012.50x = 980,117,820,081
5. Step 5: Solve for x
   x = 980,117,820,081/460,012.50
6. Step 6: Final answer
   x = 2,130,633.02