Finding the Third Proportional to 349,846,927.50 and 809,917,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,846,927.50 : 809,917,066.50 = 809,917,066.50 : x
2. Step 2: Convert to fraction form
   349,846,927.50/809,917,066.50 = 809,917,066.50/x
3. Step 3: Cross multiply
   349,846,927.50x = 809,917,066.50 × 809,917,066.50
4. Step 4: Simplify right side
   349,846,927.50x = 655,965,654,607,965,440
5. Step 5: Solve for x
   x = 655,965,654,607,965,440/349,846,927.50
6. Step 6: Final answer
   x = 1,875,007,619.18