Finding the Third Proportional to 315,895 and 745,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,895 : 745,720.50 = 745,720.50 : x
2. Step 2: Convert to fraction form
   315,895/745,720.50 = 745,720.50/x
3. Step 3: Cross multiply
   315,895x = 745,720.50 × 745,720.50
4. Step 4: Simplify right side
   315,895x = 556,099,064,120.25
5. Step 5: Solve for x
   x = 556,099,064,120.25/315,895
6. Step 6: Final answer
   x = 1,760,392.11