Finding the Third Proportional to 584,866,053.50 and 1,300,499,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   584,866,053.50 : 1,300,499,808.50 = 1,300,499,808.50 : x
2. Step 2: Convert to fraction form
   584,866,053.50/1,300,499,808.50 = 1,300,499,808.50/x
3. Step 3: Cross multiply
   584,866,053.50x = 1,300,499,808.50 × 1,300,499,808.50
4. Step 4: Simplify right side
   584,866,053.50x = 1,691,299,751,908,536,576
5. Step 5: Solve for x
   x = 1,691,299,751,908,536,576/584,866,053.50
6. Step 6: Final answer
   x = 2,891,772,811.55