Finding the Third Proportional to 214,980 and 455,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,980 : 455,587.50 = 455,587.50 : x
2. Step 2: Convert to fraction form
   214,980/455,587.50 = 455,587.50/x
3. Step 3: Cross multiply
   214,980x = 455,587.50 × 455,587.50
4. Step 4: Simplify right side
   214,980x = 207,559,970,156.25
5. Step 5: Solve for x
   x = 207,559,970,156.25/214,980
6. Step 6: Final answer
   x = 965,485.02