Finding the Third Proportional to 909,771,719.50 and 1,300,087,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   909,771,719.50 : 1,300,087,494.50 = 1,300,087,494.50 : x
2. Step 2: Convert to fraction form
   909,771,719.50/1,300,087,494.50 = 1,300,087,494.50/x
3. Step 3: Cross multiply
   909,771,719.50x = 1,300,087,494.50 × 1,300,087,494.50
4. Step 4: Simplify right side
   909,771,719.50x = 1,690,227,493,355,287,552
5. Step 5: Solve for x
   x = 1,690,227,493,355,287,552/909,771,719.50
6. Step 6: Final answer
   x = 1,857,858,908.04