Finding the Third Proportional to 153,432 and 328,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,432 : 328,184.50 = 328,184.50 : x
2. Step 2: Convert to fraction form
   153,432/328,184.50 = 328,184.50/x
3. Step 3: Cross multiply
   153,432x = 328,184.50 × 328,184.50
4. Step 4: Simplify right side
   153,432x = 107,705,066,040.25
5. Step 5: Solve for x
   x = 107,705,066,040.25/153,432
6. Step 6: Final answer
   x = 701,972.64