Finding the Third Proportional to 662,428.50 and 1,436,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   662,428.50 : 1,436,878.50 = 1,436,878.50 : x
2. Step 2: Convert to fraction form
   662,428.50/1,436,878.50 = 1,436,878.50/x
3. Step 3: Cross multiply
   662,428.50x = 1,436,878.50 × 1,436,878.50
4. Step 4: Simplify right side
   662,428.50x = 2,064,619,823,762.25
5. Step 5: Solve for x
   x = 2,064,619,823,762.25/662,428.50
6. Step 6: Final answer
   x = 3,116,743.65