Finding the Third Proportional to 99,531 and 152,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,531 : 152,188.50 = 152,188.50 : x
2. Step 2: Convert to fraction form
   99,531/152,188.50 = 152,188.50/x
3. Step 3: Cross multiply
   99,531x = 152,188.50 × 152,188.50
4. Step 4: Simplify right side
   99,531x = 23,161,339,532.25
5. Step 5: Solve for x
   x = 23,161,339,532.25/99,531
6. Step 6: Final answer
   x = 232,704.78