Finding the Third Proportional to 76,464,838.69 and 165,113,641.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,464,838.69 : 165,113,641.69 = 165,113,641.69 : x
2. Step 2: Convert to fraction form
   76,464,838.69/165,113,641.69 = 165,113,641.69/x
3. Step 3: Cross multiply
   76,464,838.69x = 165,113,641.69 × 165,113,641.69
4. Step 4: Simplify right side
   76,464,838.69x = 27,262,514,671,308,136
5. Step 5: Solve for x
   x = 27,262,514,671,308,136/76,464,838.69
6. Step 6: Final answer
   x = 356,536,613.94