Finding the Third Proportional to 53,444,803.50 and 82,621,510

Step by Step Solution

1. Step 1: Write the proportion equation
   53,444,803.50 : 82,621,510 = 82,621,510 : x
2. Step 2: Convert to fraction form
   53,444,803.50/82,621,510 = 82,621,510/x
3. Step 3: Cross multiply
   53,444,803.50x = 82,621,510 × 82,621,510
4. Step 4: Simplify right side
   53,444,803.50x = 6,826,313,914,680,100
5. Step 5: Solve for x
   x = 6,826,313,914,680,100/53,444,803.50
6. Step 6: Final answer
   x = 127,726,429.28