Finding the Third Proportional to 611,364 and 1,438,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   611,364 : 1,438,513.50 = 1,438,513.50 : x
2. Step 2: Convert to fraction form
   611,364/1,438,513.50 = 1,438,513.50/x
3. Step 3: Cross multiply
   611,364x = 1,438,513.50 × 1,438,513.50
4. Step 4: Simplify right side
   611,364x = 2,069,321,089,682.25
5. Step 5: Solve for x
   x = 2,069,321,089,682.25/611,364
6. Step 6: Final answer
   x = 3,384,761.11