Finding the Third Proportional to 810,509,654.50 and 1,911,406,956

Step by Step Solution

1. Step 1: Write the proportion equation
   810,509,654.50 : 1,911,406,956 = 1,911,406,956 : x
2. Step 2: Convert to fraction form
   810,509,654.50/1,911,406,956 = 1,911,406,956/x
3. Step 3: Cross multiply
   810,509,654.50x = 1,911,406,956 × 1,911,406,956
4. Step 4: Simplify right side
   810,509,654.50x = 3,653,476,551,445,186,048
5. Step 5: Solve for x
   x = 3,653,476,551,445,186,048/810,509,654.50
6. Step 6: Final answer
   x = 4,507,628,664.46