Finding the Third Proportional to 85,969,356 and 188,827,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,969,356 : 188,827,618.50 = 188,827,618.50 : x
2. Step 2: Convert to fraction form
   85,969,356/188,827,618.50 = 188,827,618.50/x
3. Step 3: Cross multiply
   85,969,356x = 188,827,618.50 × 188,827,618.50
4. Step 4: Simplify right side
   85,969,356x = 35,655,869,508,381,544
5. Step 5: Solve for x
   x = 35,655,869,508,381,544/85,969,356
6. Step 6: Final answer
   x = 414,750,920.18