Finding the Third Proportional to 58,611,871.50 and 86,162,051.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,611,871.50 : 86,162,051.25 = 86,162,051.25 : x
2. Step 2: Convert to fraction form
   58,611,871.50/86,162,051.25 = 86,162,051.25/x
3. Step 3: Cross multiply
   58,611,871.50x = 86,162,051.25 × 86,162,051.25
4. Step 4: Simplify right side
   58,611,871.50x = 7,423,899,075,607,627
5. Step 5: Solve for x
   x = 7,423,899,075,607,627/58,611,871.50
6. Step 6: Final answer
   x = 126,662,037.67