Finding the Third Proportional to 64,607,656.50 and 141,768,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,607,656.50 : 141,768,556.50 = 141,768,556.50 : x
2. Step 2: Convert to fraction form
   64,607,656.50/141,768,556.50 = 141,768,556.50/x
3. Step 3: Cross multiply
   64,607,656.50x = 141,768,556.50 × 141,768,556.50
4. Step 4: Simplify right side
   64,607,656.50x = 20,098,323,612,093,692
5. Step 5: Solve for x
   x = 20,098,323,612,093,692/64,607,656.50
6. Step 6: Final answer
   x = 311,082,690.52