Finding the Third Proportional to 31,631,072 and 69,063,038

Step by Step Solution

1. Step 1: Write the proportion equation
   31,631,072 : 69,063,038 = 69,063,038 : x
2. Step 2: Convert to fraction form
   31,631,072/69,063,038 = 69,063,038/x
3. Step 3: Cross multiply
   31,631,072x = 69,063,038 × 69,063,038
4. Step 4: Simplify right side
   31,631,072x = 4,769,703,217,789,444
5. Step 5: Solve for x
   x = 4,769,703,217,789,444/31,631,072
6. Step 6: Final answer
   x = 150,791,703.10