Finding the Third Proportional to 61,293,215 and 91,408,300

Step by Step Solution

1. Step 1: Write the proportion equation
   61,293,215 : 91,408,300 = 91,408,300 : x
2. Step 2: Convert to fraction form
   61,293,215/91,408,300 = 91,408,300/x
3. Step 3: Cross multiply
   61,293,215x = 91,408,300 × 91,408,300
4. Step 4: Simplify right side
   61,293,215x = 8,355,477,308,890,000
5. Step 5: Solve for x
   x = 8,355,477,308,890,000/61,293,215
6. Step 6: Final answer
   x = 136,319,775.51