Finding the Third Proportional to 64,796,802 and 132,200,506.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,796,802 : 132,200,506.50 = 132,200,506.50 : x
2. Step 2: Convert to fraction form
   64,796,802/132,200,506.50 = 132,200,506.50/x
3. Step 3: Cross multiply
   64,796,802x = 132,200,506.50 × 132,200,506.50
4. Step 4: Simplify right side
   64,796,802x = 17,476,973,918,856,542
5. Step 5: Solve for x
   x = 17,476,973,918,856,542/64,796,802
6. Step 6: Final answer
   x = 269,719,698.80