Finding the Third Proportional to 812,726,788.50 and 1,780,722,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   812,726,788.50 : 1,780,722,922.50 = 1,780,722,922.50 : x
2. Step 2: Convert to fraction form
   812,726,788.50/1,780,722,922.50 = 1,780,722,922.50/x
3. Step 3: Cross multiply
   812,726,788.50x = 1,780,722,922.50 × 1,780,722,922.50
4. Step 4: Simplify right side
   812,726,788.50x = 3,170,974,126,716,940,800
5. Step 5: Solve for x
   x = 3,170,974,126,716,940,800/812,726,788.50
6. Step 6: Final answer
   x = 3,901,648,341.84