Finding the Third Proportional to 65,763,188 and 91,940,808

Step by Step Solution

1. Step 1: Write the proportion equation
   65,763,188 : 91,940,808 = 91,940,808 : x
2. Step 2: Convert to fraction form
   65,763,188/91,940,808 = 91,940,808/x
3. Step 3: Cross multiply
   65,763,188x = 91,940,808 × 91,940,808
4. Step 4: Simplify right side
   65,763,188x = 8,453,112,175,692,864
5. Step 5: Solve for x
   x = 8,453,112,175,692,864/65,763,188
6. Step 6: Final answer
   x = 128,538,661.72