Finding the Third Proportional to 34,970 and 55,403

Step by Step Solution

1. Step 1: Write the proportion equation
   34,970 : 55,403 = 55,403 : x
2. Step 2: Convert to fraction form
   34,970/55,403 = 55,403/x
3. Step 3: Cross multiply
   34,970x = 55,403 × 55,403
4. Step 4: Simplify right side
   34,970x = 3,069,492,409
5. Step 5: Solve for x
   x = 3,069,492,409/34,970
6. Step 6: Final answer
   x = 87,775.02