Finding the Third Proportional to 88,507 and 191,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,507 : 191,148.50 = 191,148.50 : x
2. Step 2: Convert to fraction form
   88,507/191,148.50 = 191,148.50/x
3. Step 3: Cross multiply
   88,507x = 191,148.50 × 191,148.50
4. Step 4: Simplify right side
   88,507x = 36,537,749,052.25
5. Step 5: Solve for x
   x = 36,537,749,052.25/88,507
6. Step 6: Final answer
   x = 412,823.27