Finding the Third Proportional to 151,173 and 314,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,173 : 314,779.50 = 314,779.50 : x
2. Step 2: Convert to fraction form
   151,173/314,779.50 = 314,779.50/x
3. Step 3: Cross multiply
   151,173x = 314,779.50 × 314,779.50
4. Step 4: Simplify right side
   151,173x = 99,086,133,620.25
5. Step 5: Solve for x
   x = 99,086,133,620.25/151,173
6. Step 6: Final answer
   x = 655,448.62