Finding the Third Proportional to 53,444,806 and 82,621,513

Step by Step Solution

1. Step 1: Write the proportion equation
   53,444,806 : 82,621,513 = 82,621,513 : x
2. Step 2: Convert to fraction form
   53,444,806/82,621,513 = 82,621,513/x
3. Step 3: Cross multiply
   53,444,806x = 82,621,513 × 82,621,513
4. Step 4: Simplify right side
   53,444,806x = 6,826,314,410,409,169
5. Step 5: Solve for x
   x = 6,826,314,410,409,169/53,444,806
6. Step 6: Final answer
   x = 127,726,432.58