Finding the Third Proportional to 42,247,764 and 89,034,920

Step by Step Solution

1. Step 1: Write the proportion equation
   42,247,764 : 89,034,920 = 89,034,920 : x
2. Step 2: Convert to fraction form
   42,247,764/89,034,920 = 89,034,920/x
3. Step 3: Cross multiply
   42,247,764x = 89,034,920 × 89,034,920
4. Step 4: Simplify right side
   42,247,764x = 7,927,216,979,406,400
5. Step 5: Solve for x
   x = 7,927,216,979,406,400/42,247,764
6. Step 6: Final answer
   x = 187,636,367.68