Finding the Third Proportional to 91,346,886 and 215,562,300

Step by Step Solution

1. Step 1: Write the proportion equation
   91,346,886 : 215,562,300 = 215,562,300 : x
2. Step 2: Convert to fraction form
   91,346,886/215,562,300 = 215,562,300/x
3. Step 3: Cross multiply
   91,346,886x = 215,562,300 × 215,562,300
4. Step 4: Simplify right side
   91,346,886x = 46,467,105,181,290,000
5. Step 5: Solve for x
   x = 46,467,105,181,290,000/91,346,886
6. Step 6: Final answer
   x = 508,688,442.66