Finding the Third Proportional to 91,835,443 and 199,812,886

Step by Step Solution

1. Step 1: Write the proportion equation
   91,835,443 : 199,812,886 = 199,812,886 : x
2. Step 2: Convert to fraction form
   91,835,443/199,812,886 = 199,812,886/x
3. Step 3: Cross multiply
   91,835,443x = 199,812,886 × 199,812,886
4. Step 4: Simplify right side
   91,835,443x = 39,925,189,411,648,992
5. Step 5: Solve for x
   x = 39,925,189,411,648,992/91,835,443
6. Step 6: Final answer
   x = 434,747,066.14