Finding the Third Proportional to 61,293,222 and 91,408,308

Step by Step Solution

1. Step 1: Write the proportion equation
   61,293,222 : 91,408,308 = 91,408,308 : x
2. Step 2: Convert to fraction form
   61,293,222/91,408,308 = 91,408,308/x
3. Step 3: Cross multiply
   61,293,222x = 91,408,308 × 91,408,308
4. Step 4: Simplify right side
   61,293,222x = 8,355,478,771,422,864
5. Step 5: Solve for x
   x = 8,355,478,771,422,864/61,293,222
6. Step 6: Final answer
   x = 136,319,783.80