Finding the Third Proportional to 909,771,709.50 and 1,300,087,485

Step by Step Solution

1. Step 1: Write the proportion equation
   909,771,709.50 : 1,300,087,485 = 1,300,087,485 : x
2. Step 2: Convert to fraction form
   909,771,709.50/1,300,087,485 = 1,300,087,485/x
3. Step 3: Cross multiply
   909,771,709.50x = 1,300,087,485 × 1,300,087,485
4. Step 4: Simplify right side
   909,771,709.50x = 1,690,227,468,653,625,344
5. Step 5: Solve for x
   x = 1,690,227,468,653,625,344/909,771,709.50
6. Step 6: Final answer
   x = 1,857,858,901.31