Finding the Third Proportional to 2,415,793.50 and 5,209,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,793.50 : 5,209,861.50 = 5,209,861.50 : x
2. Step 2: Convert to fraction form
   2,415,793.50/5,209,861.50 = 5,209,861.50/x
3. Step 3: Cross multiply
   2,415,793.50x = 5,209,861.50 × 5,209,861.50
4. Step 4: Simplify right side
   2,415,793.50x = 27,142,656,849,182.25
5. Step 5: Solve for x
   x = 27,142,656,849,182.25/2,415,793.50
6. Step 6: Final answer
   x = 11,235,503.72