Finding the Third Proportional to 48,808,431 and 64,776,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,808,431 : 64,776,019.50 = 64,776,019.50 : x
2. Step 2: Convert to fraction form
   48,808,431/64,776,019.50 = 64,776,019.50/x
3. Step 3: Cross multiply
   48,808,431x = 64,776,019.50 × 64,776,019.50
4. Step 4: Simplify right side
   48,808,431x = 4,195,932,702,264,380
5. Step 5: Solve for x
   x = 4,195,932,702,264,380/48,808,431
6. Step 6: Final answer
   x = 85,967,375.23