Finding the Third Proportional to 89,031,609 and 193,291,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,031,609 : 193,291,096.50 = 193,291,096.50 : x
2. Step 2: Convert to fraction form
   89,031,609/193,291,096.50 = 193,291,096.50/x
3. Step 3: Cross multiply
   89,031,609x = 193,291,096.50 × 193,291,096.50
4. Step 4: Simplify right side
   89,031,609x = 37,361,447,986,172,312
5. Step 5: Solve for x
   x = 37,361,447,986,172,312/89,031,609
6. Step 6: Final answer
   x = 419,642,511.30