Finding the Third Proportional to 56,930 and 90,947

Step by Step Solution

1. Step 1: Write the proportion equation
   56,930 : 90,947 = 90,947 : x
2. Step 2: Convert to fraction form
   56,930/90,947 = 90,947/x
3. Step 3: Cross multiply
   56,930x = 90,947 × 90,947
4. Step 4: Simplify right side
   56,930x = 8,271,356,809
5. Step 5: Solve for x
   x = 8,271,356,809/56,930
6. Step 6: Final answer
   x = 145,289.95