Finding the Third Proportional to 400,254 and 608,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   400,254 : 608,633.50 = 608,633.50 : x
2. Step 2: Convert to fraction form
   400,254/608,633.50 = 608,633.50/x
3. Step 3: Cross multiply
   400,254x = 608,633.50 × 608,633.50
4. Step 4: Simplify right side
   400,254x = 370,434,737,322.25
5. Step 5: Solve for x
   x = 370,434,737,322.25/400,254
6. Step 6: Final answer
   x = 925,499.15