Finding the Third Proportional to 83,411.50 and 183,428

Step by Step Solution

1. Step 1: Write the proportion equation
   83,411.50 : 183,428 = 183,428 : x
2. Step 2: Convert to fraction form
   83,411.50/183,428 = 183,428/x
3. Step 3: Cross multiply
   83,411.50x = 183,428 × 183,428
4. Step 4: Simplify right side
   83,411.50x = 33,645,831,184
5. Step 5: Solve for x
   x = 33,645,831,184/83,411.50
6. Step 6: Final answer
   x = 403,371.61