Finding the Third Proportional to 31,513,433 and 68,548,312

Step by Step Solution

1. Step 1: Write the proportion equation
   31,513,433 : 68,548,312 = 68,548,312 : x
2. Step 2: Convert to fraction form
   31,513,433/68,548,312 = 68,548,312/x
3. Step 3: Cross multiply
   31,513,433x = 68,548,312 × 68,548,312
4. Step 4: Simplify right side
   31,513,433x = 4,698,871,078,049,344
5. Step 5: Solve for x
   x = 4,698,871,078,049,344/31,513,433
6. Step 6: Final answer
   x = 149,106,924.59