Finding the Third Proportional to 4,547,097 and 9,724,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,547,097 : 9,724,428 = 9,724,428 : x
2. Step 2: Convert to fraction form
   4,547,097/9,724,428 = 9,724,428/x
3. Step 3: Cross multiply
   4,547,097x = 9,724,428 × 9,724,428
4. Step 4: Simplify right side
   4,547,097x = 94,564,499,927,184
5. Step 5: Solve for x
   x = 94,564,499,927,184/4,547,097
6. Step 6: Final answer
   x = 20,796,675.31