Finding the Third Proportional to 152,379.56 and 315,511.88

Step by Step Solution

1. Step 1: Write the proportion equation
   152,379.56 : 315,511.88 = 315,511.88 : x
2. Step 2: Convert to fraction form
   152,379.56/315,511.88 = 315,511.88/x
3. Step 3: Cross multiply
   152,379.56x = 315,511.88 × 315,511.88
4. Step 4: Simplify right side
   152,379.56x = 99,547,743,266.02
5. Step 5: Solve for x
   x = 99,547,743,266.02/152,379.56
6. Step 6: Final answer
   x = 653,288.02