Finding the Third Proportional to 12,292,818 and 17,759,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,292,818 : 17,759,470.50 = 17,759,470.50 : x
2. Step 2: Convert to fraction form
   12,292,818/17,759,470.50 = 17,759,470.50/x
3. Step 3: Cross multiply
   12,292,818x = 17,759,470.50 × 17,759,470.50
4. Step 4: Simplify right side
   12,292,818x = 315,398,792,440,370.25
5. Step 5: Solve for x
   x = 315,398,792,440,370.25/12,292,818
6. Step 6: Final answer
   x = 25,657,159.53