Finding the Third Proportional to 1,178,608 and 2,573,117

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,608 : 2,573,117 = 2,573,117 : x
2. Step 2: Convert to fraction form
   1,178,608/2,573,117 = 2,573,117/x
3. Step 3: Cross multiply
   1,178,608x = 2,573,117 × 2,573,117
4. Step 4: Simplify right side
   1,178,608x = 6,620,931,095,689
5. Step 5: Solve for x
   x = 6,620,931,095,689/1,178,608
6. Step 6: Final answer
   x = 5,617,585.40