Finding the Third Proportional to 68,535 and 103,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,535 : 103,531.50 = 103,531.50 : x
2. Step 2: Convert to fraction form
   68,535/103,531.50 = 103,531.50/x
3. Step 3: Cross multiply
   68,535x = 103,531.50 × 103,531.50
4. Step 4: Simplify right side
   68,535x = 10,718,771,492.25
5. Step 5: Solve for x
   x = 10,718,771,492.25/68,535
6. Step 6: Final answer
   x = 156,398.50