Finding the Third Proportional to 98,963 and 207,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,963 : 207,647.50 = 207,647.50 : x
2. Step 2: Convert to fraction form
   98,963/207,647.50 = 207,647.50/x
3. Step 3: Cross multiply
   98,963x = 207,647.50 × 207,647.50
4. Step 4: Simplify right side
   98,963x = 43,117,484,256.25
5. Step 5: Solve for x
   x = 43,117,484,256.25/98,963
6. Step 6: Final answer
   x = 435,692.98