Finding the Third Proportional to 42,477.19 and 67,482.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477.19 : 67,482.28 = 67,482.28 : x
2. Step 2: Convert to fraction form
   42,477.19/67,482.28 = 67,482.28/x
3. Step 3: Cross multiply
   42,477.19x = 67,482.28 × 67,482.28
4. Step 4: Simplify right side
   42,477.19x = 4,553,858,282.70
5. Step 5: Solve for x
   x = 4,553,858,282.70/42,477.19
6. Step 6: Final answer
   x = 107,207.15