Finding the Third Proportional to 439,526,756 and 915,224,716

Step by Step Solution

1. Step 1: Write the proportion equation
   439,526,756 : 915,224,716 = 915,224,716 : x
2. Step 2: Convert to fraction form
   439,526,756/915,224,716 = 915,224,716/x
3. Step 3: Cross multiply
   439,526,756x = 915,224,716 × 915,224,716
4. Step 4: Simplify right side
   439,526,756x = 837,636,280,777,280,640
5. Step 5: Solve for x
   x = 837,636,280,777,280,640/439,526,756
6. Step 6: Final answer
   x = 1,905,768,578.01