Finding the Third Proportional to 475,447.50 and 990,369

Step by Step Solution

1. Step 1: Write the proportion equation
   475,447.50 : 990,369 = 990,369 : x
2. Step 2: Convert to fraction form
   475,447.50/990,369 = 990,369/x
3. Step 3: Cross multiply
   475,447.50x = 990,369 × 990,369
4. Step 4: Simplify right side
   475,447.50x = 980,830,756,161
5. Step 5: Solve for x
   x = 980,830,756,161/475,447.50
6. Step 6: Final answer
   x = 2,062,963.33