Finding the Third Proportional to 26,901,768 and 42,826,776

Step by Step Solution

1. Step 1: Write the proportion equation
   26,901,768 : 42,826,776 = 42,826,776 : x
2. Step 2: Convert to fraction form
   26,901,768/42,826,776 = 42,826,776/x
3. Step 3: Cross multiply
   26,901,768x = 42,826,776 × 42,826,776
4. Step 4: Simplify right side
   26,901,768x = 1,834,132,742,554,176
5. Step 5: Solve for x
   x = 1,834,132,742,554,176/26,901,768
6. Step 6: Final answer
   x = 68,178,892.28