Finding the Third Proportional to 911,011,491 and 1,886,622,588

Step by Step Solution

1. Step 1: Write the proportion equation
   911,011,491 : 1,886,622,588 = 1,886,622,588 : x
2. Step 2: Convert to fraction form
   911,011,491/1,886,622,588 = 1,886,622,588/x
3. Step 3: Cross multiply
   911,011,491x = 1,886,622,588 × 1,886,622,588
4. Step 4: Simplify right side
   911,011,491x = 3,559,344,789,551,817,728
5. Step 5: Solve for x
   x = 3,559,344,789,551,817,728/911,011,491
6. Step 6: Final answer
   x = 3,907,025,130.54