Finding the Third Proportional to 26,900,510 and 42,824,913

Step by Step Solution

1. Step 1: Write the proportion equation
   26,900,510 : 42,824,913 = 42,824,913 : x
2. Step 2: Convert to fraction form
   26,900,510/42,824,913 = 42,824,913/x
3. Step 3: Cross multiply
   26,900,510x = 42,824,913 × 42,824,913
4. Step 4: Simplify right side
   26,900,510x = 1,833,973,173,457,569
5. Step 5: Solve for x
   x = 1,833,973,173,457,569/26,900,510
6. Step 6: Final answer
   x = 68,176,148.83