Finding the Third Proportional to 7,109,979 and 10,739,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109,979 : 10,739,686.50 = 10,739,686.50 : x
2. Step 2: Convert to fraction form
   7,109,979/10,739,686.50 = 10,739,686.50/x
3. Step 3: Cross multiply
   7,109,979x = 10,739,686.50 × 10,739,686.50
4. Step 4: Simplify right side
   7,109,979x = 115,340,866,118,282.25
5. Step 5: Solve for x
   x = 115,340,866,118,282.25/7,109,979
6. Step 6: Final answer
   x = 16,222,391.95