Finding the Third Proportional to 39,706.50 and 87,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,706.50 : 87,193.50 = 87,193.50 : x
2. Step 2: Convert to fraction form
   39,706.50/87,193.50 = 87,193.50/x
3. Step 3: Cross multiply
   39,706.50x = 87,193.50 × 87,193.50
4. Step 4: Simplify right side
   39,706.50x = 7,602,706,442.25
5. Step 5: Solve for x
   x = 7,602,706,442.25/39,706.50
6. Step 6: Final answer
   x = 191,472.59