Finding the Third Proportional to 354,875,654.25 and 772,240,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   354,875,654.25 : 772,240,513.50 = 772,240,513.50 : x
2. Step 2: Convert to fraction form
   354,875,654.25/772,240,513.50 = 772,240,513.50/x
3. Step 3: Cross multiply
   354,875,654.25x = 772,240,513.50 × 772,240,513.50
4. Step 4: Simplify right side
   354,875,654.25x = 596,355,410,690,743,680
5. Step 5: Solve for x
   x = 596,355,410,690,743,680/354,875,654.25
6. Step 6: Final answer
   x = 1,680,463,011.62