Finding the Third Proportional to 242,437.50 and 514,428

Step by Step Solution

1. Step 1: Write the proportion equation
   242,437.50 : 514,428 = 514,428 : x
2. Step 2: Convert to fraction form
   242,437.50/514,428 = 514,428/x
3. Step 3: Cross multiply
   242,437.50x = 514,428 × 514,428
4. Step 4: Simplify right side
   242,437.50x = 264,636,167,184
5. Step 5: Solve for x
   x = 264,636,167,184/242,437.50
6. Step 6: Final answer
   x = 1,091,564.49