Finding the Third Proportional to 6,460,643 and 10,008,587

Step by Step Solution

1. Step 1: Write the proportion equation
   6,460,643 : 10,008,587 = 10,008,587 : x
2. Step 2: Convert to fraction form
   6,460,643/10,008,587 = 10,008,587/x
3. Step 3: Cross multiply
   6,460,643x = 10,008,587 × 10,008,587
4. Step 4: Simplify right side
   6,460,643x = 100,171,813,736,569
5. Step 5: Solve for x
   x = 100,171,813,736,569/6,460,643
6. Step 6: Final answer
   x = 15,504,929.42