Finding the Third Proportional to 123,030 and 161,547

Step by Step Solution

1. Step 1: Write the proportion equation
   123,030 : 161,547 = 161,547 : x
2. Step 2: Convert to fraction form
   123,030/161,547 = 161,547/x
3. Step 3: Cross multiply
   123,030x = 161,547 × 161,547
4. Step 4: Simplify right side
   123,030x = 26,097,433,209
5. Step 5: Solve for x
   x = 26,097,433,209/123,030
6. Step 6: Final answer
   x = 212,122.52