Finding the Third Proportional to 55,310 and 85,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,310 : 85,063.50 = 85,063.50 : x
2. Step 2: Convert to fraction form
   55,310/85,063.50 = 85,063.50/x
3. Step 3: Cross multiply
   55,310x = 85,063.50 × 85,063.50
4. Step 4: Simplify right side
   55,310x = 7,235,799,032.25
5. Step 5: Solve for x
   x = 7,235,799,032.25/55,310
6. Step 6: Final answer
   x = 130,822.62