Finding the Third Proportional to 284,880 and 607,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,880 : 607,897.50 = 607,897.50 : x
2. Step 2: Convert to fraction form
   284,880/607,897.50 = 607,897.50/x
3. Step 3: Cross multiply
   284,880x = 607,897.50 × 607,897.50
4. Step 4: Simplify right side
   284,880x = 369,539,370,506.25
5. Step 5: Solve for x
   x = 369,539,370,506.25/284,880
6. Step 6: Final answer
   x = 1,297,175.55