Finding the Third Proportional to 115,851,979.69 and 174,855,349.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,851,979.69 : 174,855,349.69 = 174,855,349.69 : x
2. Step 2: Convert to fraction form
   115,851,979.69/174,855,349.69 = 174,855,349.69/x
3. Step 3: Cross multiply
   115,851,979.69x = 174,855,349.69 × 174,855,349.69
4. Step 4: Simplify right side
   115,851,979.69x = 30,574,393,314,337,908
5. Step 5: Solve for x
   x = 30,574,393,314,337,908/115,851,979.69
6. Step 6: Final answer
   x = 263,909,114.00