Finding the Third Proportional to 910,200,359.25 and 1,997,566,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   910,200,359.25 : 1,997,566,717.50 = 1,997,566,717.50 : x
2. Step 2: Convert to fraction form
   910,200,359.25/1,997,566,717.50 = 1,997,566,717.50/x
3. Step 3: Cross multiply
   910,200,359.25x = 1,997,566,717.50 × 1,997,566,717.50
4. Step 4: Simplify right side
   910,200,359.25x = 3,990,272,790,863,725,056
5. Step 5: Solve for x
   x = 3,990,272,790,863,725,056/910,200,359.25
6. Step 6: Final answer
   x = 4,383,949,918.62