Finding the Third Proportional to 49,858,258.50 and 76,588,389

Step by Step Solution

1. Step 1: Write the proportion equation
   49,858,258.50 : 76,588,389 = 76,588,389 : x
2. Step 2: Convert to fraction form
   49,858,258.50/76,588,389 = 76,588,389/x
3. Step 3: Cross multiply
   49,858,258.50x = 76,588,389 × 76,588,389
4. Step 4: Simplify right side
   49,858,258.50x = 5,865,781,329,615,321
5. Step 5: Solve for x
   x = 5,865,781,329,615,321/49,858,258.50
6. Step 6: Final answer
   x = 117,649,141.91