Finding the Third Proportional to 31,646,432 and 64,970,536

Step by Step Solution

1. Step 1: Write the proportion equation
   31,646,432 : 64,970,536 = 64,970,536 : x
2. Step 2: Convert to fraction form
   31,646,432/64,970,536 = 64,970,536/x
3. Step 3: Cross multiply
   31,646,432x = 64,970,536 × 64,970,536
4. Step 4: Simplify right side
   31,646,432x = 4,221,170,548,127,296
5. Step 5: Solve for x
   x = 4,221,170,548,127,296/31,646,432
6. Step 6: Final answer
   x = 133,385,354.41