Finding the Third Proportional to 7,017,939 and 10,578,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017,939 : 10,578,748.50 = 10,578,748.50 : x
2. Step 2: Convert to fraction form
   7,017,939/10,578,748.50 = 10,578,748.50/x
3. Step 3: Cross multiply
   7,017,939x = 10,578,748.50 × 10,578,748.50
4. Step 4: Simplify right side
   7,017,939x = 111,909,919,826,252.25
5. Step 5: Solve for x
   x = 111,909,919,826,252.25/7,017,939
6. Step 6: Final answer
   x = 15,946,265.68