Finding the Third Proportional to 26,929,119 and 42,648,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,929,119 : 42,648,151.50 = 42,648,151.50 : x
2. Step 2: Convert to fraction form
   26,929,119/42,648,151.50 = 42,648,151.50/x
3. Step 3: Cross multiply
   26,929,119x = 42,648,151.50 × 42,648,151.50
4. Step 4: Simplify right side
   26,929,119x = 1,818,864,826,366,952.25
5. Step 5: Solve for x
   x = 1,818,864,826,366,952.25/26,929,119
6. Step 6: Final answer
   x = 67,542,678.48