Finding the Third Proportional to 64,477,018.50 and 141,620,717.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,477,018.50 : 141,620,717.25 = 141,620,717.25 : x
2. Step 2: Convert to fraction form
   64,477,018.50/141,620,717.25 = 141,620,717.25/x
3. Step 3: Cross multiply
   64,477,018.50x = 141,620,717.25 × 141,620,717.25
4. Step 4: Simplify right side
   64,477,018.50x = 20,056,427,554,404,448
5. Step 5: Solve for x
   x = 20,056,427,554,404,448/64,477,018.50
6. Step 6: Final answer
   x = 311,063,197.73