Finding the Third Proportional to 2,531,572 and 5,157,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531,572 : 5,157,140 = 5,157,140 : x
2. Step 2: Convert to fraction form
   2,531,572/5,157,140 = 5,157,140/x
3. Step 3: Cross multiply
   2,531,572x = 5,157,140 × 5,157,140
4. Step 4: Simplify right side
   2,531,572x = 26,596,092,979,600
5. Step 5: Solve for x
   x = 26,596,092,979,600/2,531,572
6. Step 6: Final answer
   x = 10,505,762.02