Finding the Third Proportional to 31,528,904 and 67,919,720

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528,904 : 67,919,720 = 67,919,720 : x
2. Step 2: Convert to fraction form
   31,528,904/67,919,720 = 67,919,720/x
3. Step 3: Cross multiply
   31,528,904x = 67,919,720 × 67,919,720
4. Step 4: Simplify right side
   31,528,904x = 4,613,088,364,878,400
5. Step 5: Solve for x
   x = 4,613,088,364,878,400/31,528,904
6. Step 6: Final answer
   x = 146,312,994.73