Finding the Third Proportional to 89,847,031.50 and 138,016,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,847,031.50 : 138,016,075.50 = 138,016,075.50 : x
2. Step 2: Convert to fraction form
   89,847,031.50/138,016,075.50 = 138,016,075.50/x
3. Step 3: Cross multiply
   89,847,031.50x = 138,016,075.50 × 138,016,075.50
4. Step 4: Simplify right side
   89,847,031.50x = 19,048,437,096,421,700
5. Step 5: Solve for x
   x = 19,048,437,096,421,700/89,847,031.50
6. Step 6: Final answer
   x = 212,009,643.26