Finding the Third Proportional to 372,550,828 and 783,709,172

Step by Step Solution

1. Step 1: Write the proportion equation
   372,550,828 : 783,709,172 = 783,709,172 : x
2. Step 2: Convert to fraction form
   372,550,828/783,709,172 = 783,709,172/x
3. Step 3: Cross multiply
   372,550,828x = 783,709,172 × 783,709,172
4. Step 4: Simplify right side
   372,550,828x = 614,200,066,276,925,568
5. Step 5: Solve for x
   x = 614,200,066,276,925,568/372,550,828
6. Step 6: Final answer
   x = 1,648,634,280.52