Finding the Third Proportional to 42,247,768 and 89,034,928

Step by Step Solution

1. Step 1: Write the proportion equation
   42,247,768 : 89,034,928 = 89,034,928 : x
2. Step 2: Convert to fraction form
   42,247,768/89,034,928 = 89,034,928/x
3. Step 3: Cross multiply
   42,247,768x = 89,034,928 × 89,034,928
4. Step 4: Simplify right side
   42,247,768x = 7,927,218,403,965,184
5. Step 5: Solve for x
   x = 7,927,218,403,965,184/42,247,768
6. Step 6: Final answer
   x = 187,636,383.63