Finding the Third Proportional to 56,090,527.31 and 86,161,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,090,527.31 : 86,161,915.69 = 86,161,915.69 : x
2. Step 2: Convert to fraction form
   56,090,527.31/86,161,915.69 = 86,161,915.69/x
3. Step 3: Cross multiply
   56,090,527.31x = 86,161,915.69 × 86,161,915.69
4. Step 4: Simplify right side
   56,090,527.31x = 7,423,875,714,939,859
5. Step 5: Solve for x
   x = 7,423,875,714,939,859/56,090,527.31
6. Step 6: Final answer
   x = 132,355,249.11