Finding the Third Proportional to 590,311,597.50 and 1,291,827,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,311,597.50 : 1,291,827,766.50 = 1,291,827,766.50 : x
2. Step 2: Convert to fraction form
   590,311,597.50/1,291,827,766.50 = 1,291,827,766.50/x
3. Step 3: Cross multiply
   590,311,597.50x = 1,291,827,766.50 × 1,291,827,766.50
4. Step 4: Simplify right side
   590,311,597.50x = 1,668,818,978,300,378,624
5. Step 5: Solve for x
   x = 1,668,818,978,300,378,624/590,311,597.50
6. Step 6: Final answer
   x = 2,827,013,708.30