Finding the Third Proportional to 152,362.31 and 328,138.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,362.31 : 328,138.50 = 328,138.50 : x
2. Step 2: Convert to fraction form
   152,362.31/328,138.50 = 328,138.50/x
3. Step 3: Cross multiply
   152,362.31x = 328,138.50 × 328,138.50
4. Step 4: Simplify right side
   152,362.31x = 107,674,875,182.25
5. Step 5: Solve for x
   x = 107,674,875,182.25/152,362.31
6. Step 6: Final answer
   x = 706,702.82