Finding the Third Proportional to 31,516,739 and 69,012,190

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516,739 : 69,012,190 = 69,012,190 : x
2. Step 2: Convert to fraction form
   31,516,739/69,012,190 = 69,012,190/x
3. Step 3: Cross multiply
   31,516,739x = 69,012,190 × 69,012,190
4. Step 4: Simplify right side
   31,516,739x = 4,762,682,368,596,100
5. Step 5: Solve for x
   x = 4,762,682,368,596,100/31,516,739
6. Step 6: Final answer
   x = 151,115,963.13