Finding the Third Proportional to 63,420 and 98,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,420 : 98,155.50 = 98,155.50 : x
2. Step 2: Convert to fraction form
   63,420/98,155.50 = 98,155.50/x
3. Step 3: Cross multiply
   63,420x = 98,155.50 × 98,155.50
4. Step 4: Simplify right side
   63,420x = 9,634,502,180.25
5. Step 5: Solve for x
   x = 9,634,502,180.25/63,420
6. Step 6: Final answer
   x = 151,915.83