Finding the Third Proportional to 2,193,188 and 4,890,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,188 : 4,890,659.50 = 4,890,659.50 : x
2. Step 2: Convert to fraction form
   2,193,188/4,890,659.50 = 4,890,659.50/x
3. Step 3: Cross multiply
   2,193,188x = 4,890,659.50 × 4,890,659.50
4. Step 4: Simplify right side
   2,193,188x = 23,918,550,344,940.25
5. Step 5: Solve for x
   x = 23,918,550,344,940.25/2,193,188
6. Step 6: Final answer
   x = 10,905,836.78