Finding the Third Proportional to 16,824,688.50 and 36,520,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,824,688.50 : 36,520,805.25 = 36,520,805.25 : x
2. Step 2: Convert to fraction form
   16,824,688.50/36,520,805.25 = 36,520,805.25/x
3. Step 3: Cross multiply
   16,824,688.50x = 36,520,805.25 × 36,520,805.25
4. Step 4: Simplify right side
   16,824,688.50x = 1,333,769,216,108,427.50
5. Step 5: Solve for x
   x = 1,333,769,216,108,427.50/16,824,688.50
6. Step 6: Final answer
   x = 79,274,526.60