Finding the Third Proportional to 10,485,790.50 and 14,166,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,790.50 : 14,166,985.50 = 14,166,985.50 : x
2. Step 2: Convert to fraction form
   10,485,790.50/14,166,985.50 = 14,166,985.50/x
3. Step 3: Cross multiply
   10,485,790.50x = 14,166,985.50 × 14,166,985.50
4. Step 4: Simplify right side
   10,485,790.50x = 200,703,478,157,210.25
5. Step 5: Solve for x
   x = 200,703,478,157,210.25/10,485,790.50
6. Step 6: Final answer
   x = 19,140,519.56