Finding the Third Proportional to 476,103 and 631,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,103 : 631,858.50 = 631,858.50 : x
2. Step 2: Convert to fraction form
   476,103/631,858.50 = 631,858.50/x
3. Step 3: Cross multiply
   476,103x = 631,858.50 × 631,858.50
4. Step 4: Simplify right side
   476,103x = 399,245,164,022.25
5. Step 5: Solve for x
   x = 399,245,164,022.25/476,103
6. Step 6: Final answer
   x = 838,568.89