Finding the Third Proportional to 19,679,056.50 and 40,615,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,679,056.50 : 40,615,669.50 = 40,615,669.50 : x
2. Step 2: Convert to fraction form
   19,679,056.50/40,615,669.50 = 40,615,669.50/x
3. Step 3: Cross multiply
   19,679,056.50x = 40,615,669.50 × 40,615,669.50
4. Step 4: Simplify right side
   19,679,056.50x = 1,649,632,608,933,230.25
5. Step 5: Solve for x
   x = 1,649,632,608,933,230.25/19,679,056.50
6. Step 6: Final answer
   x = 83,826,814.00