Finding the Third Proportional to 910,591,394 and 1,959,290,738

Step by Step Solution

1. Step 1: Write the proportion equation
   910,591,394 : 1,959,290,738 = 1,959,290,738 : x
2. Step 2: Convert to fraction form
   910,591,394/1,959,290,738 = 1,959,290,738/x
3. Step 3: Cross multiply
   910,591,394x = 1,959,290,738 × 1,959,290,738
4. Step 4: Simplify right side
   910,591,394x = 3,838,820,196,012,584,448
5. Step 5: Solve for x
   x = 3,838,820,196,012,584,448/910,591,394
6. Step 6: Final answer
   x = 4,215,743,989.35