Finding the Third Proportional to 611,677.50 and 1,439,154

Step by Step Solution

1. Step 1: Write the proportion equation
   611,677.50 : 1,439,154 = 1,439,154 : x
2. Step 2: Convert to fraction form
   611,677.50/1,439,154 = 1,439,154/x
3. Step 3: Cross multiply
   611,677.50x = 1,439,154 × 1,439,154
4. Step 4: Simplify right side
   611,677.50x = 2,071,164,235,716
5. Step 5: Solve for x
   x = 2,071,164,235,716/611,677.50
6. Step 6: Final answer
   x = 3,386,039.60