Finding the Third Proportional to 1,691,898.89 and 3,523,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,898.89 : 3,523,216.50 = 3,523,216.50 : x
2. Step 2: Convert to fraction form
   1,691,898.89/3,523,216.50 = 3,523,216.50/x
3. Step 3: Cross multiply
   1,691,898.89x = 3,523,216.50 × 3,523,216.50
4. Step 4: Simplify right side
   1,691,898.89x = 12,413,054,505,872.25
5. Step 5: Solve for x
   x = 12,413,054,505,872.25/1,691,898.89
6. Step 6: Final answer
   x = 7,336,759.05