Finding the Third Proportional to 1,012,501.69 and 2,138,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,501.69 : 2,138,818.50 = 2,138,818.50 : x
2. Step 2: Convert to fraction form
   1,012,501.69/2,138,818.50 = 2,138,818.50/x
3. Step 3: Cross multiply
   1,012,501.69x = 2,138,818.50 × 2,138,818.50
4. Step 4: Simplify right side
   1,012,501.69x = 4,574,544,575,942.25
5. Step 5: Solve for x
   x = 4,574,544,575,942.25/1,012,501.69
6. Step 6: Final answer
   x = 4,518,061.19