Finding the Third Proportional to 1,503,074.81 and 3,218,972.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,074.81 : 3,218,972.06 = 3,218,972.06 : x
2. Step 2: Convert to fraction form
   1,503,074.81/3,218,972.06 = 3,218,972.06/x
3. Step 3: Cross multiply
   1,503,074.81x = 3,218,972.06 × 3,218,972.06
4. Step 4: Simplify right side
   1,503,074.81x = 10,361,781,139,155.50
5. Step 5: Solve for x
   x = 10,361,781,139,155.50/1,503,074.81
6. Step 6: Final answer
   x = 6,893,722.82