Finding the Third Proportional to 423,220,948,612 and 913,767,152,648

Step by Step Solution

1. Step 1: Write the proportion equation
   423,220,948,612 : 913,767,152,648 = 913,767,152,648 : x
2. Step 2: Convert to fraction form
   423,220,948,612/913,767,152,648 = 913,767,152,648/x
3. Step 3: Cross multiply
   423,220,948,612x = 913,767,152,648 × 913,767,152,648
4. Step 4: Simplify right side
   423,220,948,612x = 834,970,409,258,433,294,368,768
5. Step 5: Solve for x
   x = 834,970,409,258,433,294,368,768/423,220,948,612
6. Step 6: Final answer
   x = 1,972,894,801,159.56