Finding the Third Proportional to 31,812,578 and 48,643,300

Step by Step Solution

1. Step 1: Write the proportion equation
   31,812,578 : 48,643,300 = 48,643,300 : x
2. Step 2: Convert to fraction form
   31,812,578/48,643,300 = 48,643,300/x
3. Step 3: Cross multiply
   31,812,578x = 48,643,300 × 48,643,300
4. Step 4: Simplify right side
   31,812,578x = 2,366,170,634,890,000
5. Step 5: Solve for x
   x = 2,366,170,634,890,000/31,812,578
6. Step 6: Final answer
   x = 74,378,462.35