Finding the Third Proportional to 209,470,357.50 and 452,262,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,470,357.50 : 452,262,915.50 = 452,262,915.50 : x
2. Step 2: Convert to fraction form
   209,470,357.50/452,262,915.50 = 452,262,915.50/x
3. Step 3: Cross multiply
   209,470,357.50x = 452,262,915.50 × 452,262,915.50
4. Step 4: Simplify right side
   209,470,357.50x = 204,541,744,736,560,128
5. Step 5: Solve for x
   x = 204,541,744,736,560,128/209,470,357.50
6. Step 6: Final answer
   x = 976,471,072.94