Finding the Third Proportional to 31,249,138 and 49,725,672

Step by Step Solution

1. Step 1: Write the proportion equation
   31,249,138 : 49,725,672 = 49,725,672 : x
2. Step 2: Convert to fraction form
   31,249,138/49,725,672 = 49,725,672/x
3. Step 3: Cross multiply
   31,249,138x = 49,725,672 × 49,725,672
4. Step 4: Simplify right side
   31,249,138x = 2,472,642,455,851,584
5. Step 5: Solve for x
   x = 2,472,642,455,851,584/31,249,138
6. Step 6: Final answer
   x = 79,126,741.22