Finding the Third Proportional to 31,646,444 and 64,970,560

Step by Step Solution

1. Step 1: Write the proportion equation
   31,646,444 : 64,970,560 = 64,970,560 : x
2. Step 2: Convert to fraction form
   31,646,444/64,970,560 = 64,970,560/x
3. Step 3: Cross multiply
   31,646,444x = 64,970,560 × 64,970,560
4. Step 4: Simplify right side
   31,646,444x = 4,221,173,666,713,600
5. Step 5: Solve for x
   x = 4,221,173,666,713,600/31,646,444
6. Step 6: Final answer
   x = 133,385,402.38