Finding the Third Proportional to 56,970 and 88,435

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970 : 88,435 = 88,435 : x
2. Step 2: Convert to fraction form
   56,970/88,435 = 88,435/x
3. Step 3: Cross multiply
   56,970x = 88,435 × 88,435
4. Step 4: Simplify right side
   56,970x = 7,820,749,225
5. Step 5: Solve for x
   x = 7,820,749,225/56,970
6. Step 6: Final answer
   x = 137,278.38