Finding the Third Proportional to 913,843,317 and 1,392,191,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   913,843,317 : 1,392,191,743.50 = 1,392,191,743.50 : x
2. Step 2: Convert to fraction form
   913,843,317/1,392,191,743.50 = 1,392,191,743.50/x
3. Step 3: Cross multiply
   913,843,317x = 1,392,191,743.50 × 1,392,191,743.50
4. Step 4: Simplify right side
   913,843,317x = 1,938,197,850,669,569,792
5. Step 5: Solve for x
   x = 1,938,197,850,669,569,792/913,843,317
6. Step 6: Final answer
   x = 2,120,930,157.95