Finding the Third Proportional to 31,646,440 and 64,970,552

Step by Step Solution

1. Step 1: Write the proportion equation
   31,646,440 : 64,970,552 = 64,970,552 : x
2. Step 2: Convert to fraction form
   31,646,440/64,970,552 = 64,970,552/x
3. Step 3: Cross multiply
   31,646,440x = 64,970,552 × 64,970,552
4. Step 4: Simplify right side
   31,646,440x = 4,221,172,627,184,704
5. Step 5: Solve for x
   x = 4,221,172,627,184,704/31,646,440
6. Step 6: Final answer
   x = 133,385,386.39