Finding the Third Proportional to 31,450,090 and 67,272,254

Step by Step Solution

1. Step 1: Write the proportion equation
   31,450,090 : 67,272,254 = 67,272,254 : x
2. Step 2: Convert to fraction form
   31,450,090/67,272,254 = 67,272,254/x
3. Step 3: Cross multiply
   31,450,090x = 67,272,254 × 67,272,254
4. Step 4: Simplify right side
   31,450,090x = 4,525,556,158,240,516
5. Step 5: Solve for x
   x = 4,525,556,158,240,516/31,450,090
6. Step 6: Final answer
   x = 143,896,445.39