Finding the Third Proportional to 13,329,816,164 and 28,665,723,688

Step by Step Solution

1. Step 1: Write the proportion equation
   13,329,816,164 : 28,665,723,688 = 28,665,723,688 : x
2. Step 2: Convert to fraction form
   13,329,816,164/28,665,723,688 = 28,665,723,688/x
3. Step 3: Cross multiply
   13,329,816,164x = 28,665,723,688 × 28,665,723,688
4. Step 4: Simplify right side
   13,329,816,164x = 821,723,714,556,764,356,608
5. Step 5: Solve for x
   x = 821,723,714,556,764,356,608/13,329,816,164
6. Step 6: Final answer
   x = 61,645,539,926.95