Finding the Third Proportional to 42,645,238 and 62,368,469

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,238 : 62,368,469 = 62,368,469 : x
2. Step 2: Convert to fraction form
   42,645,238/62,368,469 = 62,368,469/x
3. Step 3: Cross multiply
   42,645,238x = 62,368,469 × 62,368,469
4. Step 4: Simplify right side
   42,645,238x = 3,889,825,925,403,961
5. Step 5: Solve for x
   x = 3,889,825,925,403,961/42,645,238
6. Step 6: Final answer
   x = 91,213,605.73