Finding the Third Proportional to 55,242,492.50 and 76,810,291

Step by Step Solution

1. Step 1: Write the proportion equation
   55,242,492.50 : 76,810,291 = 76,810,291 : x
2. Step 2: Convert to fraction form
   55,242,492.50/76,810,291 = 76,810,291/x
3. Step 3: Cross multiply
   55,242,492.50x = 76,810,291 × 76,810,291
4. Step 4: Simplify right side
   55,242,492.50x = 5,899,820,803,504,681
5. Step 5: Solve for x
   x = 5,899,820,803,504,681/55,242,492.50
6. Step 6: Final answer
   x = 106,798,598.99